oj.uz

답안 #211482

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
211482 2020-03-20T13:40:10 Z andremfq 악어의 지하 도시 (IOI11_crocodile) C++17
0 / 100
 2000 ms 5632 KB 
#include "crocodile.h"
#include <vector>
#include <utility>
#include <queue>
using namespace std;
const int MAXN = 112345;//, MAXM = 1123456;
 
std::vector<int> grafo [MAXN];
std::vector<int> grafop[MAXN];
int marc[MAXN];
 
int travel_plan(int N, int M, int R[][2], int L[], int K, int P[])
{
    for(int i = 0; i < M; i++){
        int u, v, w;
        u = R[i][0];
        v = R[i][1];
        w = L[i];
        grafo[u].push_back(v);
        grafo[v].push_back(u);
        grafop[u].push_back(w);
        grafop[v].push_back(w);
    }
    priority_queue<pair<long long, int>, vector<pair<long long, int> >, greater<pair<long long, int > > > q;
    for(int i = 0; i < K; i++){
        q.push(make_pair(0, P[i]));
        marc[P[i]] = 1;
    }
    long long ans = 0;
    while(!q.empty()){
        int v = q.top().second;
        long long c = q.top().first;
 
        if(!marc[v]){
            marc[v] = 1;
            continue;
        }if(marc[v] == 2) continue;
        if(v == 0){
            ans  = c;
            break;
        }
 
        marc[v] = 2;
        for(int i = 0; i < grafo[v].size(); i++){
            int viz = grafo[v][i];
            long long p = c + grafop[v][i];
            if(marc[viz] == 2) continue;
            q.push(make_pair(p, viz));
 
        }
 
    }
 
 
    return (int) ans;
}

Compilation message

crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:44:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i = 0; i < grafo[v].size(); i++){
                        ~~^~~~~~~~~~~~~~~~~

Subtask #1
0 / 46.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 2091 ms 5632 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 2091 ms 5632 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 2091 ms 5632 KB Time limit exceeded
2 Halted 0 ms 0 KB -