提出 #76247203

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ソースコード 拡げる

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

void solve() {
    int n, m;
    cin >> n >> m;

    vector<long long> shari(n), neta(m);

    for(int i=0; i<n; i++) {
        int x; cin >> x; shari[i]=x;
    }
    for(int i=0; i<m; i++) {
        int x; cin >> x; neta[i]=x;
    }

    sort(shari.begin(), shari.end());
    sort(neta.begin(), neta.end());

    int l=0, r=0, count=0;
    while(l<shari.size() && r<neta.size()) {
        if(2*shari[l]>=neta[r]) {l++; r++; count++;}
        else l++;
    }

    cout << count << endl;
}

int main() {
    solve();
}

提出情報

コンパイルエラー

./Main.cpp: In function 'void solve()':
./Main.cpp:21:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |     while(l<shari.size() && r<neta.size()) {
      |           ~^~~~~~~~~~~~~
./Main.cpp:21:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |     while(l<shari.size() && r<neta.size()) {
      |                             ~^~~~~~~~~~~~

ジャッジ結果