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  1. #include <stdio.h>
  2. #define SIZEX 25
  3. #define SIZEY  7
  4. // prototype
  5. void mysort();
  6. void disp();
  7.  
  8. int a[SIZEX + 1][SIZEY] = {0}, cnt = 0, ord[6];
  9.  
  10. void mysort()
  11. {
  12.   int i, j, k, t;
  13.   // 科目毎の合計点でsort
  14.   for ( i = 1; i < 6; ++i) {
  15.     // printf("%d\n", i);
  16.     for ( j = i + 1; j < 6; ++j) {
  17.       if (a[cnt][i] < a[cnt][j]) {
  18.         for (k = 0; k <= cnt; ++k) {
  19.           t = a[k][i];
  20.           a[k][i] = a[k][j] ;
  21.           a[k][j] = t ;
  22.         }
  23.         t = ord[i];
  24.         ord[i] = ord[j];
  25.         ord[j] = t;
  26.       }
  27.     }
  28.   }
  29.   // 学生毎の合計点でsort
  30.   for ( i = 0; i < cnt; ++i) {
  31.     for ( j = 0; j < cnt; ++j) {
  32.       if (a[i][6] < a[j][6]) {
  33.         for ( k = 0; k < 7; ++k) {
  34.           t = a[i][k];
  35.           a[i][k] = a[j][k] ;
  36.           a[j][k] = t;
  37.         }
  38.       }
  39.     }
  40.   }
  41. }
  42.  
  43. void disp()
  44. {
  45.   int i, j;
  46.   printf("  番号 ");
  47.   for ( i = 1; i <= 5; ++i)
  48.     printf("   問%d", ord[i]);
  49.   printf("  合計\n");
  50.   for ( i = 0; i < cnt; ++i) {
  51.     printf("%6d", a[i][0]);
  52.     for ( j = 1; j < 6; ++j) printf("%6d", a[i][j]);
  53.     printf("%6d\n", a[i][6]);
  54.   }
  55.  
  56.   printf("  合計");
  57.   for ( j = 1; j < 6; ++j)
  58.     printf("%6d", a[cnt][j]);
  59.   printf("%6d\n", a[cnt][6]);
  60. }
  61.  
  62. int main()
  63. {
  64.   FILE *fp;
  65.   int i, j, *p = *a;
  66.  
  67.   // データ読込
  68.   fp = fopen("seiseki.dat", "r");
  69.   for (p = *a; fscanf(fp, "%d", p) == 1; ++p)
  70.     if (++cnt % 6 == 0)++p;
  71.   cnt /= 6;
  72.   for ( i = 1; i <= 5; ++i)ord[i] = i;
  73.  
  74.   // 合計計算
  75.   for ( i = 0; i < cnt; ++i) {
  76.     for ( j = 1; j < 6; ++j) {
  77.       a[i][6] += a[i][j];
  78.       a[cnt][j] += a[i][j];
  79.       a[cnt][6] += a[i][j];
  80.     }
  81.   }
  82.  
  83.   // 表示
  84.   printf("整列前\n");
  85.   disp();
  86.   mysort();
  87.   printf("整列後\n");
  88.   disp();
  89.  
  90.   return 0;
  91. }
  92.  
Runtime error #stdin #stdout 0.01s 1804KB
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/beLZVi
language:
C (gcc 8.3)
created:
11 years ago
visibility:
secret

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