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답안 #259859

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
259859 2020-08-08T17:40:59 Z itiam Wand (COCI19_wand) C++11
14 / 70
 1000 ms 14200 KB 
#include <bits/stdc++.h>

using namespace std;
#define pb push_back

int n,m,gub1,c=0,id=0;
int rj[100007];
map<string, vector<string>> v;
map<string, bool> bio2,bio;

void dfs(string x){
    int ivs= stoi(x);
    if (id==1){  rj[ivs-1]=1;return;}
    if (bio[x]==1 && (rj[ivs-1]==1 || x=="1")){  rj[c]=1; id=1;}
    if (bio[x]==1)  return;
    bio[x]=1;
    for (int i=0;i<v[x].size();i++){
        dfs(v[x][i]);
        if (id==1){  rj[ivs-1]=1;return;}
    }

}

int main(){
    cin >> n >> m;
    string a,b;
    for (int i=0;i<m;i++){
        cin >> a >> b;
        v[a].pb(b);
        if (b=="1")   gub1=1;
    }
    if (gub1==0){
        rj[0]=1;
    }
    for (int i=1;i<=n;i++){
        string str=to_string(i);
        bio=bio2;
        if (i!=1)   bio["1"]=1;
        id=0;
        dfs(str);
        c++;
    }

    for (int i=0;i<n;i++){
        cout << rj[i];
    }
    return 0;
}

Compilation message

wand.cpp: In function 'void dfs(std::__cxx11::string)':
wand.cpp:17:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0;i<v[x].size();i++){
                  ~^~~~~~~~~~~~

Subtask #1
14.0 / 70.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Execution timed out 1068 ms 13304 KB Time limit exceeded
4 Execution timed out 1080 ms 13228 KB Time limit exceeded
5 Execution timed out 1094 ms 13432 KB Time limit exceeded
6 Execution timed out 1086 ms 12664 KB Time limit exceeded
7 Execution timed out 1093 ms 13176 KB Time limit exceeded
8 Execution timed out 1092 ms 13432 KB Time limit exceeded
9 Execution timed out 1087 ms 13944 KB Time limit exceeded
10 Execution timed out 1058 ms 14200 KB Time limit exceeded