08/12/17 18:15:20
>>153
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define N 128
#define Y 15
#define H 5
int main(void)
{
char buff[N];
int year[Y], height[H];
int i, j;
FILE *fp = fopen("cshukudai.csv", "r");
for (i = 0; i < Y; ++i) year[i] = 0; for (i = 0; i < Y; ++i) height[i] = 0;
while (fgets(buff, N, fp) != NULL) {
strtok(buff, ",");
year[atoi(strtok(NULL, ",")) - 1975]++;
height[(atoi(strtok(NULL, ",")) - 166) / 5]++;
}
puts("生まれた年のヒストグラム");
for (i = 0; i < Y; ++i) {
printf("%4d:", 1975 + i);
for (j = 0; j < year[i]; ++j) putchar('*'); puts("");
}
puts("\n身長のヒストグラム");
for (i = 0; i < H; ++i) {
printf("%3d-%3d:", 166 + 5 * i, 170 + 5 * i);
for (j = 0; j < height[i]; ++j) putchar('*'); puts("");
}
fclose(fp);
return 0;
}