提出 #72540387

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ソースコード 拡げる

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#include <climits>
#define no cout << "No" << endl;
#define yes cout << "Yes" <<endl;
using ll = long long ;
using P=pair<int,int>;
//N×M vector<vector<int>> A(N,vector<int>(M)); A[i][j] A.push_back(data);
//sort (b.begin(),b.end()); if(b.size() >=2);
//int keta = to_string(b).length(); pow(10,keta);
//set<int> a; a.insert(da); a.count(da) for(auto v: a)
//using P=pair<int,int>;vector<P> c;c.emplace_back(da,i) //index保持
//auto dfs =[&](auto f, int i, int j) -> void {};
//b ha kihon zentansaku
//shoujin houhou komentodake nokosite mosha
//set<pair<int,int>> st;st.insert({r,c});st.count({x,y})

int main() {
    int n,k;
    ll x;
    cin >> n >> k >> x;
    vector<int> A(n);
    rep(i,n)cin >> A[i];

    sort(A.rbegin(),A.rend());
    rep(i,n){
        if(i<n-k){
            A[i] =0;
        }
    }
    vector<ll> s(n+1);
    rep(i,n) s[i+1] = s[i] + A[i];
    
    int it = lower_bound(s.begin(), s.end(), x)-s.begin();
    if(it == s.size()){
        cout << "-1" << endl;
        return 0;
    }
    cout << it  << endl;


}

提出情報

コンパイルエラー

./Main.cpp: In function 'int main()':
./Main.cpp:36:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |     if(it == s.size()){
      |        ~~~^~~~~~~~~~~

ジャッジ結果