#include <stdio.h>
 
int main()
{
	int	bangou[10];
	int	tokuten[10];
	int	hyouka[10];
	int	i, goukei = 0, heikin, sa, h;
 
	for (i = 0; i < 10; i++) {
		scanf("%d %d", &bangou[i], &tokuten[i]);
		goukei += tokuten[i];
	}
	heikin = goukei / 10;
	for (i = 0; i < 10; i++) {
		sa = tokuten[i] - heikin;
 
		if (20 <= sa) h = 0;
		else if (10 <= sa) h = 1;
		else if (0 <= sa) h = 2;
		else if (-20 <= sa) h = 3;
		else h = 4;
 
		hyouka[i] = h;
	}
	for (h = 0; h < 5; h++) {
		printf("\n評価:%c\n", "SABCF"[h]);
		for (i = 0; i < 10; i++) {
			if (hyouka[i] == h) {
				printf("%d %d\n", bangou[i], tokuten[i]);
			}
		}
	}
	return 0;
}
 

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

MSAxMDAKMiA4MAozIDc3CjQgMzQKNSA5OAo2IDAKNyA0Ngo4IDg3CjkgMzYKMTAgNTUK

1 100
2 80
3 77
4 34
5 98
6 0
7 46
8 87
9 36
10 55