解题代码
#include<stdio.h>
int main() {
int N;
scanf("%d", &N);
int i, A1max = 0, A2num = 0,t,n=0;
double A3ave = 0.0;
for (i = 0; i < N; i++) {
scanf("%d", &t);
if (t % 3 == 0) {
if (t > A1max) A1max = t;
}else if (t % 3 == 1) {
A2num++;
}
else {
A3ave = A3ave + t;
n++;
}
}
if (A1max == 0) printf("NONE");
else printf("%d", A1max);
if (A2num == 0) printf(" NONE");
else printf(" %d", A2num);
if (A3ave == 0) printf(" NONE");
else printf(" %.1lf", A3ave/n);
return 0;
}
测试结果
问题整理
1.注意浮点数的记录和输出噢。