题解 | #记负均正II#
记负均正II
https://www.nowcoder.com/practice/64f6f222499c4c94b338e588592b6a62
#include<bits/stdc++.h> using namespace std; int main(){ int num = 0; double sum = 0, ave = 0; int posNum = 0; int negNum = 0; while(cin >> num){ if(num < 0){ negNum++; } else{ posNum++; sum += num; } if(posNum != 0) ave = sum / posNum; } cout << negNum << endl; printf("%.1lf\n", ave); }
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