华为4月13晚笔试
第二题代码。过了25%，不知道哪里错了，求个大佬帮忙看看！！！！
#华为笔试##华为##实习##笔试题目#// we have defined the necessary header files here for this problem.
// If additional header files are needed in your program, please import here.
#include<bits/stdc++.h>
using namespace std;
int main()
{
int n;
cin >> n;
int ans = 0;
vector<pair<int, int>> tmp;
for(int i = 0; i < n; ++i){
int a, b;
cin >> a >> b;
tmp.push_back(make_pair(a, b));
}
sort(tmp.begin(), tmp.end(), [](pair<int, int>& a, pair<int, int>& b){ return a.first == b.first ? a.second > b.second : a.first < b.first; });
int start = 0;
for(int i = 1; i <= 7 * 105 && start < n; ++i){
for(int j = start; j < n; ++j){
if(tmp[j].first >= i){
ans += tmp[j].second;
start = j + 1;
break;
}
}
}
cout << ans;
return 0;
}
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