- C/C++の宿題片付けます 167代目
767 ：デフォルトの名無しさん[sage]：2014/07/21(月) 11:38:49.42 ID:ast8VTmN - >>765
#include <stdio.h>
#define N 128
#define S 5
void p(int *h, int *u, int *l, int n) {
int i, j;
for (i = 0; i < n; i++) {
printf("%3d - %3d| ", l[i], u[i] - 1);
for (j = 0; j < h[i]; j++) printf("*");
printf("\n");
}
}
int main() {
int i, j, n, a[N], h[S] = {0}, s = 0;
int u[S] = { 101, 90, 80, 70, 60 }, l[S] = { 90, 80, 70, 60, 0 };
if (scanf("%d", &n) != 1)
return fprintf(stderr, "invalid input\n"), 1;
if (n >= N || n <= 0)
return fprintf(stderr, "n must be lesser than %d\n", N), 1;
for (i = 0; i < n; i++) {
if (scanf("%d", &a[i]) != 1)
return fprintf(stderr, "invalid input (i = %d)\n", i), 1;
s += a[i];
for (j = 0; j < S; j++) if (a[i] >= l[j] && a[i] < u[j]) break;
if (j == S) return fprintf(stderr, "invalid input (i = %d)\n", i), 1;
h[j]++;
}
printf("sum = %d, ave = %g\n", s, (double) s / n);
p(h, u, l, S);
return 0;
}
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