Keys.c

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

int main(void){
  char str[51];
  int i, loop, stringleft, stringright;
  int righthand, lefthand = 0;
  int strings, keystrokes = 0;
  int leftindex, leftmiddle, leftring, leftpinky = 0;
  int rightindex, rightmiddle, rightring, rightpinky = 0;

  printf("Enter your input: (Press Ctrl-D to Quit)\n");
  while(!feof(stdin)){

  scanf("%s", str);
  loop = strlen(str);
  strings++;

  for(i=0;i<loop;i++){


    if(str[i] == 33 || str[i] == 49 || str[i] == 96 || str[i] == 126 || str[i] == 81
    || str[i] == 65 || str[i] == 90 || str[i] == 97 || str[i] == 113 || str[i] == 122){
      leftpinky++;
      keystrokes++;
      lefthand++;
      if(str[i] == 33 || str[i] == 96 || str[i] == 81 || str[i] ==  65 || str[i] == 90){
        rightpinky++;
        keystrokes++;
        righthand++;
        }
      }
      if(str[i] == 35 || str[i] == 51 || str[i] == 69 || str[i] == 101 || str[i] == 68 ||
      str[i] == 100 || str[i] == 67 || str[i] == 99){
        leftmiddle++;
        lefthand++;
        keystrokes++;
         if(str[i] == 67 || str[i] == 35 || str[i] == 69 || str[i] == 68){
          rightpinky++;
          righthand++;
          keystrokes++;
        }
      }
      if(str[i] == 42 || str[i] == 56 || str[i] == 73 || str[i] == 105 || str[i] == 75 || str[i] == 107
      || str[i] == 60 || str[i] == 44){
        rightmiddle++;
        righthand++;
        keystrokes++;
        if(str[i] == 42 || str[i] == 75 || str[i] == 73 || str[i] == 60){
          leftpinky++;
          lefthand++;
          keystrokes++;
        }
      }
    if(str[i] == 64 || str[i] == 2 || str[i] == 87 || str[i] == 119 || str[i] == 83 || str[i] == 115
    || str[i] == 88 || str[i] == 120){
      leftring++;
      keystrokes++;
      lefthand++;
       if(str[i] == 87 || str[i] == 83 || str[i] == 88 || str[i] == 64){
        rightpinky++;
        keystrokes++;
        righthand++;
      }
    }
    if(str[i] == 36 || str[i] == 52 || str[i] == 37 || str[i] == 53 || str[i] == 82 || str[i] == 114
    || str[i] == 84 || str[i] == 116 || str[i] == 70 || str[i] == 102 || str[i] == 71 || str[i] == 103
    || str[i] == 86 || str[i] == 118 || str[i] == 66 || str[i] == 98){
     leftindex++;
     lefthand++;
     keystrokes++;
      if(str[i] == 36 || str[i] == 84 || str[i] == 82 || str[i] == 37){
       rightpinky++;
       righthand++;
       keystrokes++;
     }
    }
    if(str[i] == 94 || str[i] == 54 || str[i] == 38 || str[i] == 55 || str[i] == 89 || str[i] == 121 ||
    str[i] == 85 || str[i] == 117 || str[i] == 72 || str[i] == 104 || str[i] == 74 || str[i] == 106
    || str[i] == 78 || str[i] == 110 || str[i] == 77 || str[i] == 109){
      rightindex++;
      righthand++;
      keystrokes++;
       if(str[i] == 94 || str[i] == 38 || str[i] == 85 || str[i] == 89 || str[i] == 72 || str[i] == 74
       || str[i] == 77){
         leftpinky++;
         keystrokes++;
         lefthand++;
      }
    }
    if(str[i] == 40 || str[i] == 57 || str[i] == 79 || str[i] == 111 || str[i] == 76 || str[i] == 108
    || str[i] == 62 || str[i] == 46){
      rightring++;
      keystrokes++;
      righthand++;
       if(str[i] == 40 || str[i] == 62 || str[i] == 79 || str[i] == 76){
        lefthand++;
        keystrokes++;
        leftpinky++;
      }
    }
    if(str[i] == 41 || str[i] == 48 || str[i] == 95 || str[i] == 45 || str[i] == 43 || str[i] == 61
    || str[i] == 80 || str[i] == 112 || str[i] == 123 || str[i] == 91 || str[i] == 125 || str[i] == 93
    || str[i] == 124 || str[i] == 92 || str[i] == 58 || str[i] == 59 || str[i] == 34 || str[i] == 39
    || str[i] == 63 || str[i] == 47){
      rightpinky++;
      righthand++;
      keystrokes++;
       if(str[i] == 34 || str[i] == 43 || str[i] == 95 || str[i] == 58 || str[i] == 124 || str[i] == 41 || str[i] == 63
      || str[i] == 80 || str[i] == 123 || str[i] == 125){
        leftpinky++;
        lefthand++;
        keystrokes++;
          }
        }
      }
      if(lefthand == 0 && righthand >= 1){
        stringright++;
      }
      if(righthand == 0 && lefthand >=  1){
        stringright++;
        }
      }

printf("%d strings entered\n", strings);
printf("%d typed using only the left hand.\n", stringleft);
printf("%d typed using only the right hand.\n", stringright);
printf("%d total keytrokes\n", keystrokes);
printf("%d - Left index\n", leftindex);
printf("%d - Left middle\n", leftmiddle);
printf("%d - Left ring\n", leftring);
printf("%d - Left pinky\n", leftpinky);
printf("%d - Right index\n", rightindex);
printf("%d - Right middle\n", rightmiddle);
printf("%d - Right ring\n", rightring);
printf("%d - Right pinky\n", rightpinky);

return 0;
}