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Stuck in 2 loops

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  • U User 12465479

    Hey Guys, I have one Project which has inside 2 different loops if loops are not empty display results but both of them are empty must be display just one result like as "Not any Problem" How can I do? and if string how can i use?

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    PIEBALDconsult
    wrote on last edited by
    #2

    By "loops" do you mean "collections"? Or "arrays"? Or something like that? Can you do something like if ( ( collection1.count == 0 ) && ( collection2.count == 0 ) ) ...

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    • P PIEBALDconsult

      By "loops" do you mean "collections"? Or "arrays"? Or something like that? Can you do something like if ( ( collection1.count == 0 ) && ( collection2.count == 0 ) ) ...

      U Offline
      U Offline
      User 12465479
      wrote on last edited by
      #3

      Hey thank you for answer, I shared question originally and also how can identify your collection1.count and 2. yes should be like this. Thank you

      Voltage readings are obtained from an electrical substation once every hour for six hours (so there are six
      readings). Write a C program to perform the following checks on the substation:
      a) display all voltages that differ from the average by more than 10% of the average.
      b) display all pairs of consecutive hours where the change from the voltage at one hour
      to the next is greater than 15% of the average.

      Example 1

      Enter 6 voltages: 210.1 223.2 189.6 206.2 235.1 215.0
      The average is 213.2 volts.
      10% = 21.3 volts.
      15% = 32.0 volts.

      The following problems occurred:

      1. Voltage at hour 3 was 189.6 volts (difference of 23.6 volts).
      2. Voltage at hour 5 was 235.1 volts (difference of 21.9 volts).
      3. Voltage change from hour 2 to hour 3 was 33.6 volts.

      Example 2

      Enter 6 voltages: 233.1 201.0 221.5 240.2 222.7 208.1
      The average is 221.1 volts.
      10% = 22.1 volts.
      15% = 33.2 volts.

      No problems were encountered.

      I created project but when I put any think in for loops coming 11 "No problems were encountered" or put under for loops this result coming sometimes with voltage results.

      L 1 Reply Last reply
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      • U User 12465479

        Hey thank you for answer, I shared question originally and also how can identify your collection1.count and 2. yes should be like this. Thank you

        Voltage readings are obtained from an electrical substation once every hour for six hours (so there are six
        readings). Write a C program to perform the following checks on the substation:
        a) display all voltages that differ from the average by more than 10% of the average.
        b) display all pairs of consecutive hours where the change from the voltage at one hour
        to the next is greater than 15% of the average.

        Example 1

        Enter 6 voltages: 210.1 223.2 189.6 206.2 235.1 215.0
        The average is 213.2 volts.
        10% = 21.3 volts.
        15% = 32.0 volts.

        The following problems occurred:

        1. Voltage at hour 3 was 189.6 volts (difference of 23.6 volts).
        2. Voltage at hour 5 was 235.1 volts (difference of 21.9 volts).
        3. Voltage change from hour 2 to hour 3 was 33.6 volts.

        Example 2

        Enter 6 voltages: 233.1 201.0 221.5 240.2 222.7 208.1
        The average is 221.1 volts.
        10% = 22.1 volts.
        15% = 33.2 volts.

        No problems were encountered.

        I created project but when I put any think in for loops coming 11 "No problems were encountered" or put under for loops this result coming sometimes with voltage results.

        L Offline
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        Lost User
        wrote on last edited by
        #4

        We cannot help unless you show the code that is causing the problems.

        U 1 Reply Last reply
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        • L Lost User

          We cannot help unless you show the code that is causing the problems.

          U Offline
          U Offline
          User 12465479
          wrote on last edited by
          #5

          #include <stdio.h>
          #include <math.h>
          #include <string.h>

          int i;
          float volt[6];
          float avg, avg10, avg15, total, a, b;

          int main () {
          

          total= 0 ;
          avg = 0;
          printf("Enter 6 Volts of Machine\n");

          for ( i=0; i<6; i++) {
          printf("Type %d. volt", i+1);
          scanf("%f",&volt[i]);

          total = total + volt[i];
          }
          avg = total/6;
          avg10 = (avg * 10) / 100;
          avg15 = (avg * 15) / 100;
          printf("------------------------------------------\n");
          printf("The machine Avarage Voltage is %.2f\n", avg);
          printf("The Machine Avarage is%.2f\n", avg10);
          printf("The Machine 15 Avarage is%.2f\n\n\n", avg15);

           for (i=0;i<6;i++) {
            a = fabs(volt\[i\] - avg);
          
            if( a > avg10 ) {
           printf("\\nVoltage at hour %d was %.2f volts (diffrence of %.2f volts)\\n\\n", i+1, volt\[i\], a);
             }
          

          }

           for (i=0; i<5; i++) {
          
             b = fabs(volt\[i+1\] - volt\[i\]);
             if( b > avg15) {
           printf("\\nVoltage change from hour %d to hour %d was %.2f\\n\\n", i+1, i+2, b);
             }
          

          }

          }

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          • U User 12465479

            #include <stdio.h>
            #include <math.h>
            #include <string.h>

            int i;
            float volt[6];
            float avg, avg10, avg15, total, a, b;

            int main () {
            

            total= 0 ;
            avg = 0;
            printf("Enter 6 Volts of Machine\n");

            for ( i=0; i<6; i++) {
            printf("Type %d. volt", i+1);
            scanf("%f",&volt[i]);

            total = total + volt[i];
            }
            avg = total/6;
            avg10 = (avg * 10) / 100;
            avg15 = (avg * 15) / 100;
            printf("------------------------------------------\n");
            printf("The machine Avarage Voltage is %.2f\n", avg);
            printf("The Machine Avarage is%.2f\n", avg10);
            printf("The Machine 15 Avarage is%.2f\n\n\n", avg15);

             for (i=0;i<6;i++) {
              a = fabs(volt\[i\] - avg);
            
              if( a > avg10 ) {
             printf("\\nVoltage at hour %d was %.2f volts (diffrence of %.2f volts)\\n\\n", i+1, volt\[i\], a);
               }
            

            }

             for (i=0; i<5; i++) {
            
               b = fabs(volt\[i+1\] - volt\[i\]);
               if( b > avg15) {
             printf("\\nVoltage change from hour %d to hour %d was %.2f\\n\\n", i+1, i+2, b);
               }
            

            }

            }

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            P Offline
            Parthiban Appuswamy
            wrote on last edited by
            #6

            I did not see any issue in above code. But what condition you are checking to show the comment - No Issues in voltage?

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            • P Parthiban Appuswamy

              I did not see any issue in above code. But what condition you are checking to show the comment - No Issues in voltage?

              U Offline
              U Offline
              User 12465479
              wrote on last edited by
              #7

              I need if not any voltage problem to print "No problems were encountered. but just one result. How can I do? Code is right not any problem in code just I need information how can add this print?

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              • U User 12465479

                #include <stdio.h>
                #include <math.h>
                #include <string.h>

                int i;
                float volt[6];
                float avg, avg10, avg15, total, a, b;

                int main () {
                

                total= 0 ;
                avg = 0;
                printf("Enter 6 Volts of Machine\n");

                for ( i=0; i<6; i++) {
                printf("Type %d. volt", i+1);
                scanf("%f",&volt[i]);

                total = total + volt[i];
                }
                avg = total/6;
                avg10 = (avg * 10) / 100;
                avg15 = (avg * 15) / 100;
                printf("------------------------------------------\n");
                printf("The machine Avarage Voltage is %.2f\n", avg);
                printf("The Machine Avarage is%.2f\n", avg10);
                printf("The Machine 15 Avarage is%.2f\n\n\n", avg15);

                 for (i=0;i<6;i++) {
                  a = fabs(volt\[i\] - avg);
                
                  if( a > avg10 ) {
                 printf("\\nVoltage at hour %d was %.2f volts (diffrence of %.2f volts)\\n\\n", i+1, volt\[i\], a);
                   }
                

                }

                 for (i=0; i<5; i++) {
                
                   b = fabs(volt\[i+1\] - volt\[i\]);
                   if( b > avg15) {
                 printf("\\nVoltage change from hour %d to hour %d was %.2f\\n\\n", i+1, i+2, b);
                   }
                

                }

                }

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                Lost User
                wrote on last edited by
                #8

                You just need to add a boolean value to indicate whether any problems were found in either of the loops. So your code would have the following additions:

                // add the following variable at the beginning of the program:
                int voltageProblem = 0;

                // add the following in each for loop, inside the test for voltage out of limits
                // loop1 code shown here:
                for (i=0;i<6;i++) {
                a = fabs(volt[i] - avg);
                if( a > avg10 ) {
                printf("\nVoltage at hour %d was %.2f volts (diffrence of %.2f volts)\n\n", i+1, volt[i], a);
                voltageProblem = 1;
                }
                }

                // after the two loops add the following:
                if (voltageProblem == 0) {
                printf("No problems were encountered.\n");
                }

                U 1 Reply Last reply
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                • L Lost User

                  You just need to add a boolean value to indicate whether any problems were found in either of the loops. So your code would have the following additions:

                  // add the following variable at the beginning of the program:
                  int voltageProblem = 0;

                  // add the following in each for loop, inside the test for voltage out of limits
                  // loop1 code shown here:
                  for (i=0;i<6;i++) {
                  a = fabs(volt[i] - avg);
                  if( a > avg10 ) {
                  printf("\nVoltage at hour %d was %.2f volts (diffrence of %.2f volts)\n\n", i+1, volt[i], a);
                  voltageProblem = 1;
                  }
                  }

                  // after the two loops add the following:
                  if (voltageProblem == 0) {
                  printf("No problems were encountered.\n");
                  }

                  U Offline
                  U Offline
                  User 12465479
                  wrote on last edited by
                  #9

                  Richard MacCutchan Thank you so much, you are amazing! I tried but wrong first under curly brackets and second I tried voltageproblem++ . . if (voltageproblem==0) . . anyway Just thank you so much. Happy coding :-D

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                  • U User 12465479

                    Richard MacCutchan Thank you so much, you are amazing! I tried but wrong first under curly brackets and second I tried voltageproblem++ . . if (voltageproblem==0) . . anyway Just thank you so much. Happy coding :-D

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                    Lost User
                    wrote on last edited by
                    #10

                    Happy to help. Good luck in the future.

                    1 Reply Last reply
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                    • U User 12465479

                      Hey Guys, I have one Project which has inside 2 different loops if loops are not empty display results but both of them are empty must be display just one result like as "Not any Problem" How can I do? and if string how can i use?

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                      Patrice T
                      wrote on last edited by
                      #11

                      And you have some code ?

                      Patrice “Everything should be made as simple as possible, but no simpler.” Albert Einstein

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                      • P Patrice T

                        And you have some code ?

                        Patrice “Everything should be made as simple as possible, but no simpler.” Albert Einstein

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                        Lost User
                        wrote on last edited by
                        #12

                        Read the thread messages.

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                        • L Lost User

                          Read the thread messages.

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                          P Offline
                          Patrice T
                          wrote on last edited by
                          #13

                          you should have used "Edit" in first message. Everyone will read your first message, but it is unlikely that everyone will read discussion when not involved.

                          Patrice “Everything should be made as simple as possible, but no simpler.” Albert Einstein

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                          • P Patrice T

                            you should have used "Edit" in first message. Everyone will read your first message, but it is unlikely that everyone will read discussion when not involved.

                            Patrice “Everything should be made as simple as possible, but no simpler.” Albert Einstein

                            L Offline
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                            Lost User
                            wrote on last edited by
                            #14

                            Reading the messages first helps to decide whether there is any point in posting a response. Something that I generally do, especially when it is obvious that the thread has a conversation going between OP and another CP member.

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