oj.uz

답안 #90023

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
90023 2018-12-19T17:47:24 Z Bodo171 결혼 문제 (IZhO14_marriage) C++14
82 / 100
 1500 ms 2812 KB 
#include <iostream>
#include <fstream>
#include <vector>
using namespace std;
const int nmax=30005;
vector<int> v[nmax];
int l[nmax],r[nmax];
bool viz[nmax];
bool changed;
int n,m,i,j,k,a,b,p,cupl,ans;
bool cup(int x)
{
    if(viz[x])
        return 0;
    viz[x]=1;
    for(int it=0;it<v[x].size();it++)
        if(!r[v[x][it]])
    {
        l[x]=v[x][it];
        r[v[x][it]]=x;
        return 1;
    }
    for(int it=0;it<v[x].size();it++)
        if(cup(r[v[x][it]]))
    {
        l[x]=v[x][it];
        r[v[x][it]]=x;
        return 1;
    }
    return 0;
}
void cc()
{
    changed=1;
    while(changed&&cupl<m)
    {
        changed=0;
        for(j=p; j<=i; j++)
            if((!l[j])&&cup(j))
            {
                cupl++;
                changed=1;
            }
        for(j=p; j<=i; j++)
            viz[j]=0;

    }
}
int main()
{
    //freopen("data.in","r",stdin);
    ios_base::sync_with_stdio(false);
    cin>>n>>m>>k;
    for(i=1;i<=k;i++)
    {
        cin>>a>>b;
        v[a].push_back(b);
    }
    p=1;
    for(i=1;i<=n;i++)
    {
        if(i>=m)cc();
        while(cupl==m)
        {
            if(l[p])
                r[l[p]]=0,cupl--;
            p++;
            cc();

        }
        ans+=(p-1);
    }
    cout<<ans;
    return 0;
}

Compilation message

marriage.cpp: In function 'bool cup(int)':
marriage.cpp:16:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int it=0;it<v[x].size();it++)
                  ~~^~~~~~~~~~~~
marriage.cpp:23:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int it=0;it<v[x].size();it++)
                  ~~^~~~~~~~~~~~

Subtask #1
82.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 1016 KB Output is correct
2 Correct 2 ms 1140 KB Output is correct
3 Correct 3 ms 1140 KB Output is correct
4 Correct 2 ms 1236 KB Output is correct
5 Correct 2 ms 1236 KB Output is correct
6 Correct 2 ms 1312 KB Output is correct
7 Correct 2 ms 1312 KB Output is correct
8 Correct 2 ms 1312 KB Output is correct
9 Correct 2 ms 1312 KB Output is correct
10 Correct 2 ms 1312 KB Output is correct
11 Correct 2 ms 1312 KB Output is correct
12 Correct 2 ms 1312 KB Output is correct
13 Correct 2 ms 1312 KB Output is correct
14 Correct 2 ms 1312 KB Output is correct
15 Correct 3 ms 1312 KB Output is correct
16 Correct 3 ms 1312 KB Output is correct
17 Correct 3 ms 1312 KB Output is correct
18 Correct 3 ms 1312 KB Output is correct
19 Correct 3 ms 1312 KB Output is correct
20 Correct 3 ms 1312 KB Output is correct
21 Correct 3 ms 1312 KB Output is correct
22 Correct 3 ms 1332 KB Output is correct
23 Correct 3 ms 1332 KB Output is correct
24 Correct 3 ms 1332 KB Output is correct
25 Correct 5 ms 1388 KB Output is correct
26 Correct 6 ms 1388 KB Output is correct
27 Correct 4 ms 1388 KB Output is correct
28 Correct 3 ms 1388 KB Output is correct
29 Correct 23 ms 1532 KB Output is correct
30 Correct 18 ms 1532 KB Output is correct
31 Correct 15 ms 1764 KB Output is correct
32 Correct 25 ms 1764 KB Output is correct
33 Correct 6 ms 1764 KB Output is correct
34 Correct 5 ms 1764 KB Output is correct
35 Correct 23 ms 1788 KB Output is correct
36 Correct 20 ms 1788 KB Output is correct
37 Correct 29 ms 1788 KB Output is correct
38 Correct 846 ms 2172 KB Output is correct
39 Correct 207 ms 2172 KB Output is correct
40 Correct 1244 ms 2172 KB Output is correct
41 Execution timed out 1570 ms 2172 KB Time limit exceeded
42 Execution timed out 1566 ms 2172 KB Time limit exceeded
43 Execution timed out 1578 ms 2172 KB Time limit exceeded
44 Execution timed out 1575 ms 2304 KB Time limit exceeded
45 Execution timed out 1570 ms 2304 KB Time limit exceeded
46 Execution timed out 1567 ms 2672 KB Time limit exceeded
47 Execution timed out 1566 ms 2672 KB Time limit exceeded
48 Execution timed out 1574 ms 2672 KB Time limit exceeded
49 Execution timed out 1567 ms 2812 KB Time limit exceeded
50 Correct 1488 ms 2812 KB Output is correct