题解 | #合并表记录#
合并表记录
https://www.nowcoder.com/practice/de044e89123f4a7482bd2b214a685201
#include <iostream>
#include <map>
using namespace std;
int main() {
int n;
cin >> n;
map<int,int> m;
for (int i = 0; i < n; ++i){
int a,b;
cin >> a >> b;
m[a] += b;
}
for (auto i :m) {
cout << i.first << ' ' << i.second << endl;
}
}
#23届找工作求助阵地##C++##零基础学习C++#
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