满意答案
123456789101112131415161718192021222324#include int main(){ int sum = 0, cnt = 0, maxv, minv, v, flag=0; double avg; while (scanf("%d", &v), v != -1){ if (flag == 0){ sum += v; maxv = minv = v; ++cnt; flag = 1; } else { sum += v; if (maxv v)minv = v; ++cnt; } } avg = sum*1.0 / cnt; printf("和：%d,平均值：%f\n", sum, avg); printf("最大值：%d,最小值：%d\n", maxv, minv); return 0;}
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