演習 5-9

#include <stdio.h>
#define NUMBER 80

int main(){

int i, j, max;
int num;
int tensu[NUMBER];
int bunpu[11] = { 0 };

printf("人数を入力して下さい：");

do{
scanf("%d", &num);
if (num < 1 || num > NUMBER){
printf("\a1～%dで入力して下さい：", NUMBER);
}
} while (num < 1 || num > NUMBER);

printf("%d人の点数を入力して下さい。\n", num);

for (i = 0; i < num; i++){
printf("%2d番：", i + 1);
do{
scanf("%d", &tensu[i]);
if (tensu[i] < 0 || tensu[i] > 100){
printf("\a1～100で入力して下さい：");
}
}while (tensu[i] < 0 || tensu[i] > 100);
bunpu[tensu[i] / 10]++;
}

putchar('\n');

max = bunpu[0];
for (i = 1; i <= 10; i++){
if (max < bunpu[i]){
max = bunpu[i];
}
}

for (i = max; i > 0; i--){
for (j = 0; j <= 10; j++){
if (i == bunpu[j]){
printf("*  ");
bunpu[j]--;
}
else{
printf("   ");
}
}
putchar('\n');
}

printf("---------------------------------\n");
printf("0 10 20 30 40 50 60 70 80 90 100\n");

return 0;
}