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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#378607#8566. Can We Still Qualify For Semifinals?ucup_team_qiuly#WA 408ms3760kbC++141.2kb2024-04-06 13:44:382024-04-06 13:44:40

Judging History

你现在查看的是最新测评结果

  • [2024-04-06 13:44:40]
  • 评测
  • 测评结果:WA
  • 用时:408ms
  • 内存:3760kb
  • [2024-04-06 13:44:38]
  • 提交

answer

#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
int a[15];
int tot,qwq[50][2];
int val[15];
int fg;
bool check(){
    int cnt=0;
    for (int i=1;i<10;i++)
        if (val[i]>val[0])cnt++;
    if (cnt>3)return 0;
    return 1;
}
void dfs(int x){
    if (x==45){
        if (check())fg=1;
        return;
    }
    if (qwq[x][0]==0||qwq[x][1]==0)val[0]++,dfs(x+1);
    else val[qwq[x][0]]++,dfs(x+1),val[qwq[x][0]]--,val[qwq[x][1]]++,dfs(x+1);
    return;
}
int main(){
    for (int i=1;i<=10;i++)a[i]=i;
    for (int i=1;i<=9;i++){
        for (int l=1,r=10;l<r;l++,r--)qwq[tot][0]=a[l]-1,qwq[tot][1]=a[r]-1,tot++;
        int v=a[10];
        for (int j=10;j>=3;j--)a[j]=a[j-1];
        a[2]=v;
    }
    int t;
    cin>>t;
    while(t--){
        int n;
        cin>>n;
        string str;
        cin>>str;
        memset(val,0,sizeof(val));
        for (int i=0;i<n;i++){
            if (str[i]=='1')val[qwq[i][0]]++;
            else val[qwq[i][1]]++;
        }
        if (n<=15){
            puts("YES");
            continue;
        }
        fg=0;
        dfs(n);
        if (fg==1)puts("YES");
        else puts("NO");
    }
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 3528kb

input:

3
3
111
25
1000010101111111111010100
35
01111011110111101111011110111101111

output:

YES
YES
NO

result:

ok 3 token(s): yes count is 2, no count is 1

Test #2:

score: 0
Accepted
time: 408ms
memory: 3560kb

input:

10
16
0110000001010100
17
01111000110110101
15
001100010101111
16
0010101010011100
19
0000000100010110100
16
0011101010011100
18
011110010001100000
18
000110101001100011
20
01100010000100100100
15
001000111001101

output:

YES
YES
YES
YES
YES
YES
YES
YES
YES
YES

result:

ok 10 token(s): yes count is 10, no count is 0

Test #3:

score: -100
Wrong Answer
time: 1ms
memory: 3760kb

input:

10
37
0110000001010100011101001011100110001
39
000100111101101001100101101000000000100
35
00111000100111100101011010111100100
33
010000010001110010110001101110001
30
000100010100000010010110101010
31
0000101000011010101001010000000
44
00001000000111101011010110000101100011000100
42
01111011110001001...

output:

NO
NO
NO
NO
YES
NO
NO
NO
NO
NO

result:

wrong answer expected NO, found YES [5th token]