oj.uz

답안 #31550

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
31550 2017-08-29T08:11:51 Z Kanvie 어르신 집배원 (BOI14_postmen) C++14
38 / 100
 500 ms 16504 KB 
#include<bits/stdc++.h>
using namespace std;
#define fi first
#define se second
typedef pair<int,int> pii;
int n,m,vv,u,cnt,lol;
vector<pii>v[500001];
bool visit[500001],fi,edge[500001];
vector<int>ans;
stack<int>s,ss;
inline bool chk(int x)
{
    if(!edge[x]){edge[x]=true;return true;}
    else return false;
}
void push_db(int x)
{
    if(!visit[x])
    {
        ss.push(x);
        visit[x]=true;
        return;
    }
    else
    {
        if(fi)printf("\n");
        else fi=true;
        while(1)
        {
            lol=ss.top();
            if(lol!=x)printf("%d ",lol);
            else printf("%d",lol);
            if(lol!=x){visit[lol]=false;ss.pop();}
            else break;
        }
    }
}
int x,y;
int main()
{
    scanf("%d%d",&n,&m);
    for(int i=1;i<=m;++i)
    {
        scanf("%d%d",&x,&y);
        ++cnt;
        v[x].push_back({y,cnt});
        v[y].push_back({x,cnt});
    }
    s.push(1);
    fi=false;
    while(!s.empty())
    {
        u=s.top();
        for(int i=0;i<v[u].size();++i)
        {
            vv=v[u][i].fi;
            if(chk(v[u][i].se))break;
            if(i==v[u].size()-1)vv=-1;
        }
        if(vv!=-1)s.push(vv);
        else {s.pop();push_db(u);}
    }
}

Compilation message

postmen.cpp: In function 'int main()':
postmen.cpp:54:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i=0;i<v[u].size();++i)
                     ~^~~~~~~~~~~~
postmen.cpp:58:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if(i==v[u].size()-1)vv=-1;
                ~^~~~~~~~~~~~~~~
postmen.cpp:41:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~
postmen.cpp:44:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&x,&y);
         ~~~~~^~~~~~~~~~~~~~

Subtask #1
38.0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 12032 KB Output is correct
2 Correct 11 ms 12032 KB Output is correct
3 Correct 11 ms 12032 KB Output is correct
4 Correct 25 ms 12160 KB Output is correct
5 Correct 15 ms 12160 KB Output is correct
6 Correct 17 ms 12288 KB Output is correct
7 Correct 21 ms 12672 KB Output is correct
8 Correct 13 ms 12136 KB Output is correct
9 Correct 182 ms 14808 KB Output is correct
10 Correct 14 ms 12160 KB Output is correct
11 Correct 15 ms 12160 KB Output is correct
12 Correct 78 ms 15208 KB Output is correct

Subtask #2
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 38 ms 12000 KB Output is correct
2 Correct 15 ms 12032 KB Output is correct
3 Correct 14 ms 12160 KB Output is correct
4 Correct 16 ms 12160 KB Output is correct
5 Correct 14 ms 12160 KB Output is correct
6 Correct 13 ms 12160 KB Output is correct
7 Correct 28 ms 12672 KB Output is correct
8 Correct 12 ms 12160 KB Output is correct
9 Correct 160 ms 14840 KB Output is correct
10 Correct 13 ms 12160 KB Output is correct
11 Correct 15 ms 12160 KB Output is correct
12 Correct 81 ms 15096 KB Output is correct
13 Correct 96 ms 16480 KB Output is correct
14 Correct 85 ms 16120 KB Output is correct
15 Execution timed out 1082 ms 15248 KB Time limit exceeded
16 Halted 0 ms 0 KB -

Subtask #3
0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 16 ms 12160 KB Output is correct
2 Correct 18 ms 12032 KB Output is correct
3 Correct 12 ms 12032 KB Output is correct
4 Correct 15 ms 12260 KB Output is correct
5 Correct 12 ms 12136 KB Output is correct
6 Correct 14 ms 12160 KB Output is correct
7 Correct 23 ms 12672 KB Output is correct
8 Correct 15 ms 12160 KB Output is correct
9 Correct 149 ms 14852 KB Output is correct
10 Correct 14 ms 12160 KB Output is correct
11 Correct 14 ms 12160 KB Output is correct
12 Correct 80 ms 15096 KB Output is correct
13 Correct 95 ms 16504 KB Output is correct
14 Correct 94 ms 16096 KB Output is correct
15 Execution timed out 1076 ms 15272 KB Time limit exceeded
16 Halted 0 ms 0 KB -