QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#671000#9246. Dominating Pointlfx-9877AC ✓140ms28632kbC++171.5kb2024-10-24 09:47:232024-10-24 09:47:24

Judging History

你现在查看的是测评时间为 2024-10-24 09:47:24 的历史记录

  • [2024-11-22 18:46:55]
  • 自动重测本题所有获得100分的提交记录
  • 测评结果:AC
  • 用时:135ms
  • 内存:28608kb
  • [2024-11-22 18:38:25]
  • hack成功,自动添加数据
  • (/hack/1238)
  • [2024-10-24 09:47:24]
  • 评测
  • 测评结果:100
  • 用时:140ms
  • 内存:28632kb
  • [2024-10-24 09:47:23]
  • 提交

answer

#include <bits/stdc++.h>
#define int long long
using namespace std;
const int N = 5050;
const int INF = 1e9 + 10;
char ch[N][N];
int S[N],T[N],cnt[N];
int n,a,b,c;
int get_point(int *S)
{
    memset(cnt,0,sizeof cnt);
    for(int i=1;i<=S[0];i++)    //S[0] 代表当前点集元素数目
    {
        for(int j=i+1;j<=S[0];j++)
        {
            if(ch[S[i]][S[j]]=='1') cnt[S[i]]++;
            else cnt[S[j]]++;
        }
    }
    int pos=S[1];
    for(int i=2;i<=S[0];i++)
    {
        if(cnt[S[i]]>cnt[pos])
        pos=S[i];
    }
    return pos;
}
void solve()
{
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        scanf("%s",ch[i]+1);
        S[++S[0]]=i;
    }
    a=get_point(S),S[0]=0;
    if(cnt[a]==n-1) //只有一个支配点
    {
        cout<<"NOT FOUND"<<endl;
        return;
    }
    for(int i=1;i<=n;i++)
    {
        if(a!=i)
        {
            if(ch[a][i]=='1') S[++S[0]]=i;  //集合划分
            else T[++T[0]]=i;
        }
    }
    b=get_point(T);
    if(cnt[b]!=T[0]-1)
    {
        S[0]=0;
        for(int i=1;i<=T[0];i++)
        {
            if(T[i]!=b&&ch[b][T[i]]=='0')
            S[++S[0]]=T[i];
        }
        c=get_point(S);
    }
    else
    {
        T[0]=0;
        for(int i=1;i<=S[0];i++)
        {
            if(ch[S[i]][b]=='1')
            T[++T[0]]=S[i];
        }
        c=get_point(T);
    }
    cout<<a<<' '<<b<<' '<<c<<endl;
}
signed main()
{
    int t=1;
    // cin >> t;
    while (t--)
        solve();
    return 0;
}

这程序好像有点Bug,我给组数据试试?

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3700kb

input:

6
011010
000101
010111
100001
010100
100010

output:

3 1 4

result:

ok OK, Answer correct.

Test #2:

score: 0
Accepted
time: 0ms
memory: 3740kb

input:

3
011
001
000

output:

NOT FOUND

result:

ok OK, Answer correct.

Test #3:

score: 0
Accepted
time: 0ms
memory: 3728kb

input:

3
010
001
100

output:

1 3 2

result:

ok OK, Answer correct.

Test #4:

score: 0
Accepted
time: 130ms
memory: 28420kb

input:

4994
0100001010011001010101110010101000111101111100100001110010000111100000000100110100101000001010100000010010010110110110111010010010100110100000110110111001010111010111010111011001000101001000010001010111110000000100001100000111100011001010010111011100111010101110011000010111101011111110001111110...

output:

1505 3625 2684

result:

ok OK, Answer correct.

Test #5:

score: 0
Accepted
time: 137ms
memory: 28464kb

input:

4994
0000000110000010100001001010100101010001000000011001110000111011100010100100001001011100000101100000100100001101101101010010110011101100101001100101110010001111110111001101000110111001010011101001010101000000111101101111001011111011000001110010000000110101010010010100100101111111001000111111011...

output:

4094 227 2629

result:

ok OK, Answer correct.

Test #6:

score: 0
Accepted
time: 140ms
memory: 28632kb

input:

4995
0010100011010011000010101100100000011100110100010101010101000001011110100010001001011001100001111100011010001110011101111001110001000000101010001000010000010001011010010001100001010111011111011011110110000101001000000100000000000010111010101111111100001010001000000001001110000110011001111001111...

output:

86 487 1816

result:

ok OK, Answer correct.

Test #7:

score: 0
Accepted
time: 136ms
memory: 28496kb

input:

4998
0011100111111001011100001111010010000111001110101001001011010111100010001110000001000010011011011110001110101111010011000101001101001000100110111110001001100111111000010101010101000110011100011001010110111110000100000010000101001000100011000010101111101101000000101010100111010101111101111100010...

output:

3642 400 450

result:

ok OK, Answer correct.

Test #8:

score: 0
Accepted
time: 129ms
memory: 28484kb

input:

4994
0010111010011101101110001111100011010010010000101101110110110000100010000101011100000001011100010001000011010101011111100011010000010110000011110010011000101011100011110110011101110000101100111110000110100111001101000100011001001001100001101110001100111011100111001011001011010111111001001000010...

output:

4591 4236 4935

result:

ok OK, Answer correct.

Test #9:

score: 0
Accepted
time: 0ms
memory: 3844kb

input:

1
0

output:

NOT FOUND

result:

ok OK, Answer correct.

Test #10:

score: 0
Accepted
time: 0ms
memory: 3680kb

input:

2
01
00

output:

NOT FOUND

result:

ok OK, Answer correct.

Test #11:

score: 0
Accepted
time: 87ms
memory: 28496kb

input:

4998
0101101111101110111110111111111111111101111111010110100111111101110101111101111110101111011111100010111011110100111111111101011101101100110111101110110101101110111011001111101011111101111001111101011111100110111110010011010111101111011010110101011111101011101110111111101101011111010010110101111...

output:

1411 1681 2793

result:

ok OK, Answer correct.

Test #12:

score: 0
Accepted
time: 88ms
memory: 28556kb

input:

4998
0000001000000000010000100001001010101010000010010100000100000010100000100000100010011101010000000010000101101001001101100010100000000000010011010110000001011000000000010011000000100100010000000000000100110001010110010111000010000001100110110000100010001001100010001000010000011110001011000000100...

output:

2307 4716 3780

result:

ok OK, Answer correct.

Test #13:

score: 0
Accepted
time: 84ms
memory: 28424kb

input:

4998
0010101101011111101011000011111010001110000110101111101010010010111111010111101100001111110111010111000111111011111011110011111101010001111000000101110101000111111100100000011000010011110101010100011000000010100011011011000101101010010100110000000101001000111010101010001110101011011001100011100...

output:

2253 3540 3187

result:

ok OK, Answer correct.

Test #14:

score: 0
Accepted
time: 50ms
memory: 28380kb

input:

5000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

4999 5000 1

result:

ok OK, Answer correct.

Extra Test:

score: 0
Extra Test Passed