oj.uz

답안 #912889

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
912889 2024-01-20T04:02:48 Z 1075508020060209tc 어르신 집배원 (BOI14_postmen) C++14
55 / 100
 500 ms 73400 KB 
//#pragma GCC optimize("O3")
#include<bits/stdc++.h>
using namespace std;
//#define int long long
#define X first
#define Y second
#define SZ(x) (int)(x).size()

int n;int m;
int ar[500005];
int br[500005];
vector<int>e[500005];
int eit[500005];
bool vis[500005];
bool visv[500005];
vector<int>ans;
void dfs(int nw){
for(;eit[nw]<e[nw].size();eit[nw]++){
    int id=e[nw][eit[nw]];
    if(vis[id]){continue;}
    vis[id]=1;
    int v=ar[id]^br[id]^nw;
    dfs(v);
}
ans.push_back(nw);
}
vector<vector<int>>fans;

signed main(){
cin.tie(0);
ios_base::sync_with_stdio(0);
cin>>n>>m;
for(int i=1;i<=m;i++){
    cin>>ar[i]>>br[i];
    e[ar[i]].push_back(i);
    e[br[i]].push_back(i);
}
dfs(1);
stack<int>stk;
for(int i=0;i<ans.size();i++){
    //vector<int>vc;
    int v=ans[i];
    if(visv[v]){
        while(1){
  //          vc.push_back(stk.back());
            cout<<stk.top()<<" ";
            if(stk.top()==v){cout<<"\n";break;}
            visv[stk.top()]=0;
            stk.pop();
        }
//        fans.push_back(vc);
    }else{
        visv[v]=1;
        stk.push(v);
    }
}return 0;
for(int i=0;i<fans.size();i++){
    for(int j=0;j<fans[i].size();j++){
        cout<<fans[i][j]<<" ";
    }cout<<"\n";
}


}

Compilation message

postmen.cpp: In function 'void dfs(int)':
postmen.cpp:18:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 | for(;eit[nw]<e[nw].size();eit[nw]++){
      |      ~~~~~~~^~~~~~~~~~~~~
postmen.cpp: In function 'int main()':
postmen.cpp:40:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 | for(int i=0;i<ans.size();i++){
      |             ~^~~~~~~~~~~
postmen.cpp:57:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 | for(int i=0;i<fans.size();i++){
      |             ~^~~~~~~~~~~~
postmen.cpp:58:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |     for(int j=0;j<fans[i].size();j++){
      |                 ~^~~~~~~~~~~~~~~

Subtask #1
38.0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 14680 KB Output is correct
2 Correct 5 ms 14684 KB Output is correct
3 Correct 5 ms 14836 KB Output is correct
4 Correct 6 ms 15096 KB Output is correct
5 Correct 5 ms 14936 KB Output is correct
6 Correct 5 ms 15192 KB Output is correct
7 Correct 10 ms 16472 KB Output is correct
8 Correct 5 ms 14940 KB Output is correct
9 Correct 38 ms 23248 KB Output is correct
10 Correct 7 ms 14936 KB Output is correct
11 Correct 5 ms 15192 KB Output is correct
12 Correct 33 ms 23500 KB Output is correct

Subtask #2
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 14792 KB Output is correct
2 Correct 3 ms 14684 KB Output is correct
3 Correct 5 ms 14840 KB Output is correct
4 Correct 5 ms 14940 KB Output is correct
5 Correct 4 ms 14940 KB Output is correct
6 Correct 4 ms 15192 KB Output is correct
7 Correct 9 ms 16220 KB Output is correct
8 Correct 7 ms 15096 KB Output is correct
9 Correct 40 ms 23284 KB Output is correct
10 Correct 5 ms 14940 KB Output is correct
11 Correct 6 ms 15044 KB Output is correct
12 Correct 40 ms 23496 KB Output is correct
13 Correct 49 ms 26396 KB Output is correct
14 Correct 86 ms 22220 KB Output is correct
15 Correct 64 ms 25252 KB Output is correct
16 Correct 42 ms 26576 KB Output is correct
17 Correct 60 ms 19764 KB Output is correct
18 Correct 72 ms 23660 KB Output is correct

Subtask #3
0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 14680 KB Output is correct
2 Correct 6 ms 14684 KB Output is correct
3 Correct 5 ms 14680 KB Output is correct
4 Correct 5 ms 15040 KB Output is correct
5 Correct 4 ms 14936 KB Output is correct
6 Correct 6 ms 15196 KB Output is correct
7 Correct 10 ms 16216 KB Output is correct
8 Correct 5 ms 14940 KB Output is correct
9 Correct 33 ms 23364 KB Output is correct
10 Correct 6 ms 15024 KB Output is correct
11 Correct 6 ms 14940 KB Output is correct
12 Correct 38 ms 23568 KB Output is correct
13 Correct 77 ms 26448 KB Output is correct
14 Correct 50 ms 22316 KB Output is correct
15 Correct 44 ms 25160 KB Output is correct
16 Correct 71 ms 26568 KB Output is correct
17 Correct 55 ms 19704 KB Output is correct
18 Correct 47 ms 23708 KB Output is correct
19 Execution timed out 574 ms 73400 KB Time limit exceeded
20 Halted 0 ms 0 KB -