oj.uz

답안 #246530

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
246530 2020-07-09T14:29:42 Z kimbj0709 Toll (BOI17_toll) C++14
8 / 100
 3000 ms 6352 KB 
#pragma optimize("O3")
#include<bits/stdc++.h>
using namespace std;
#define maxn 50050
#define f first
#define s second
vector<vector<pair<int,int> > > adj(maxn);
vector<int> top;
vector<int> visited(maxn,0);
void topsort(int node){
    visited[node] = 1;
    for(auto k:adj[node]){
        if(visited[k.f]==1){
            continue;
        }
        topsort(k.f);
    }
    top.push_back(node);
}
int32_t main(){
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    int k,no_of_vertex,no_of_edge,no_of_query;
    int input1,input2,input3;
    cin >> k >> no_of_vertex >> no_of_edge >> no_of_query;
    for(int i=0;i<no_of_edge;i++){
        cin >> input1 >> input2 >> input3;
        adj[input1].push_back({input2,input3});
    }
    for(int i=0;i<no_of_vertex;i++){
        if(visited[i]==0){
            topsort(i);
        }
    }
    reverse(top.begin(),top.end());
    vector<int> dist(maxn,INT_MAX);
    for(int i=0;i<no_of_query;i++){
        cin >> input1 >> input2;
        for(int j=0;j<dist.size();j++){
            dist[j] = INT_MAX;
        }
        int pos = -1;
        for(int j=0;j<top.size();j++){
            if(top[j]==input1){
                pos = j;
                break;
            }
        }
        dist[input1] = 0;
        for(int j=pos;j<top.size();j++){
            if(dist[top[j]]==INT_MAX){
                continue;
            }
            for(auto kk:adj[top[j]]){
                dist[kk.first] = min(dist[kk.first],dist[top[j]]+kk.second);
            }
        }
 
        if(dist[input2]==INT_MAX){
            cout << -1 << "\n";
        }
        else{
            cout << dist[input2] << "\n";
        }
    }
 
 
}

Compilation message

toll.cpp:1:0: warning: ignoring #pragma optimize  [-Wunknown-pragmas]
 #pragma optimize("O3")
 
toll.cpp: In function 'int32_t main()':
toll.cpp:39:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int j=0;j<dist.size();j++){
                     ~^~~~~~~~~~~~
toll.cpp:43:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int j=0;j<top.size();j++){
                     ~^~~~~~~~~~~
toll.cpp:50:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int j=pos;j<top.size();j++){
                       ~^~~~~~~~~~~

Subtask #1
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3068 ms 6352 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3080 ms 4716 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 1920 KB Output is correct
2 Correct 6 ms 1920 KB Output is correct
3 Correct 6 ms 1920 KB Output is correct
4 Correct 6 ms 1920 KB Output is correct
5 Correct 6 ms 1920 KB Output is correct
6 Correct 8 ms 1920 KB Output is correct
7 Correct 9 ms 1920 KB Output is correct
8 Correct 11 ms 2048 KB Output is correct
9 Correct 11 ms 2048 KB Output is correct
10 Correct 37 ms 3960 KB Output is correct
11 Correct 156 ms 5112 KB Output is correct
12 Correct 161 ms 5492 KB Output is correct
13 Correct 171 ms 5748 KB Output is correct
14 Correct 158 ms 5108 KB Output is correct
15 Correct 102 ms 3712 KB Output is correct
16 Correct 90 ms 3792 KB Output is correct

Subtask #4
0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 1920 KB Output is correct
2 Correct 6 ms 1920 KB Output is correct
3 Correct 6 ms 1920 KB Output is correct
4 Correct 6 ms 1920 KB Output is correct
5 Correct 6 ms 1920 KB Output is correct
6 Correct 8 ms 1920 KB Output is correct
7 Correct 9 ms 1920 KB Output is correct
8 Correct 11 ms 2048 KB Output is correct
9 Correct 11 ms 2048 KB Output is correct
10 Correct 37 ms 3960 KB Output is correct
11 Correct 156 ms 5112 KB Output is correct
12 Correct 161 ms 5492 KB Output is correct
13 Correct 171 ms 5748 KB Output is correct
14 Correct 158 ms 5108 KB Output is correct
15 Correct 102 ms 3712 KB Output is correct
16 Correct 90 ms 3792 KB Output is correct
17 Correct 2873 ms 5076 KB Output is correct
18 Correct 6 ms 1920 KB Output is correct
19 Correct 6 ms 1920 KB Output is correct
20 Correct 5 ms 1920 KB Output is correct
21 Correct 6 ms 1920 KB Output is correct
22 Correct 6 ms 2048 KB Output is correct
23 Correct 71 ms 1920 KB Output is correct
24 Correct 103 ms 2040 KB Output is correct
25 Correct 118 ms 2048 KB Output is correct
26 Correct 111 ms 2048 KB Output is correct
27 Correct 271 ms 4056 KB Output is correct
28 Execution timed out 3094 ms 5620 KB Time limit exceeded
29 Halted 0 ms 0 KB -

Subtask #5
0 / 44.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3068 ms 6352 KB Time limit exceeded
2 Halted 0 ms 0 KB -