제출 #603482

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
603482		almothana05	Stranded Far From Home (BOI22_island)	C++14	10 / 100	1090 ms	27824 KiB

island

#include<bits/stdc++.h>
#define mod 1000000007
using namespace std;
queue<long long>q;
priority_queue<pair<long long, long long> >pri;
vector<long long>gr[200000];
long long num[200000] , vis[200000];
int main(){
    long long menge , numm = 0, nummer  , ed;
    cin >> menge >> ed;
    for(long long i = 0 ;i < menge ; i++){
        cin >> numm;
        num[i + 1] = numm;
    }
    for(long long i = 0 ; i< ed ; i++){
        cin >> numm >> nummer;
        gr[numm].push_back(nummer);
        gr[nummer].push_back(numm);
    }
    for(long long i = 1 ; i <= menge ; i++){
        long long fl = 1;
        long long cmp = 0;
        vis[i] = 1;
        q.push(i);
        while(q.size()){
            long long jet = q.front();
            q.pop();
            cmp += num[jet];
            for(long long i = 0 ; i < gr[jet].size() ; i++){
                long long kind = gr[jet][i];
                pri.push({-num[kind] , kind });
            }
            while(pri.size() && -pri.top().first <= cmp){
                if(vis[pri.top().second] == 0){
                    vis[pri.top().second] = 1;
                    q.push(pri.top().second);
                }
                pri.pop();
            }
        }
        while(pri.size()){
            pri.pop();
        }
        for(long long j = 1 ; j <=menge ; j++){
            if(vis[j] == 0){
                fl = 0;
            }
            vis[j] = 0;
        }
        cout << fl ;
    }
}

컴파일 시 표준 에러 (stderr) 메시지

island.cpp: In function 'int main()':
island.cpp:29:37: 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(long long i = 0 ; i < gr[jet].size() ; i++){
      |                                   ~~^~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 30
• Subtask 5: 0 / 35