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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
#457141#8832. Daily Disinfectionucup-team3699#WA 2ms3824kbC++23623b2024-06-29 08:23:052024-06-29 08:23:06

Judging History

你现在查看的是最新测评结果

  • [2024-06-29 08:23:06]
  • 评测
  • 测评结果:WA
  • 用时:2ms
  • 内存:3824kb
  • [2024-06-29 08:23:05]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;

#define int long long
#define F first 
#define S second
#define pb push_back

const int mol=998244353;

void solve(){
    int n;
    cin>>n;
    string a;
    cin>>a;
    int ans=0;
    for(auto t: a) ans+=(t=='1');
    if(n%2){
        int c=0;
        for(int i=0;i<a.size();i+=2) c+=(a[i]=='1');
        if(c==(n+1)/2) cout<<ans+1<<"\n";
        else cout<<ans<<"\n";
    }
    else{
        cout<<ans<<"\n";
    }
}

signed main(){
    ios::sync_with_stdio(0);cin.tie(0);
    int t;
    cin>>t;
    while(t--)
    solve();
    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3560kb

input:

3
2
01
5
00110
9
101010101

output:

1
2
6

result:

ok 3 number(s): "1 2 6"

Test #2:

score: -100
Wrong Answer
time: 2ms
memory: 3824kb

input:

10000
15
010111111011011
10
1000101111
10
0011111101
1
0
3
110
4
1000
8
10000111
20
00000101000100001110
13
1101110110110
13
0111100011010
17
00001001111110101
1
0
20
10001010011000111100
11
00100110101
11
10110101000
15
001011110011000
16
1110111110000111
15
011110110110010
1
0
20
10110001101100010...

output:

11
6
7
0
2
1
4
6
9
7
9
0
9
5
5
7
11
9
0
9
8
7
3
6
0
6
2
5
4
8
10
4
6
1
7
2
1
8
1
7
11
9
13
4
11
13
15
6
3
4
5
1
1
7
7
5
3
0
0
11
8
5
6
7
6
4
9
1
4
5
12
0
2
10
3
3
7
7
3
7
4
3
7
9
15
2
6
6
9
8
6
1
2
4
2
11
10
5
0
0
4
7
4
7
0
4
7
9
3
3
10
3
6
11
8
1
7
6
5
2
4
9
7
1
5
7
8
3
5
11
6
10
8
8
9
16
2
7
6
3
3...

result:

wrong answer 40th numbers differ - expected: '8', found: '7'