提出 #76450448

---

ソースコード 拡げる

#include<bits/stdc++.h>
using namespace std;
#define int long long

const int MAXN = 2e5+5;
int n, k, m;
vector<int> a[MAXN]; 
bool comp(int x, int y)
{
	return x>y;
}

signed main(){
	cin >> n >> k >> m;
	for (int i=1; i<=n; i++)
	{
		int c, v;
		cin >> c >> v;
		a[c].push_back(v);
	}
	for (int i=1; i<=n; i++) 
		if (a[i].size()>0) sort(a[i].begin(), a[i].end(), comp);

	vector<int> x, y;
	for (int i=1; i<=n; i++) 
		if (a[i].size()>0)
		{
			x.push_back(a[i][0]);
			for (int j=1; j<a[i].size(); j++) y.push_back(a[i][j]);
		}
	sort(x.begin(), x.end(), comp);
	int ans = 0;
	for (int i=0; i<m; i++) ans+=x[i];
	for (int i=m; i<x.size(); i++) y.push_back(x[i]);
	sort(y.begin(), y.end(), comp);
	k-=m;
	for (int i=0; i<k; i++) ans+=y[i];
	cout << ans;
	
	return 0;
}

提出情報

コンパイルエラー

./Main.cpp: In function 'int main()':
./Main.cpp:29:40: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |                         for (int j=1; j<a[i].size(); j++) y.push_back(a[i][j]);
      |                                       ~^~~~~~~~~~~~
./Main.cpp:34:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |         for (int i=m; i<x.size(); i++) y.push_back(x[i]);
      |                       ~^~~~~~~~~

ジャッジ結果