QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#458389#8832. Daily Disinfectionucup-team3608#WA 2ms3852kbC++17662b2024-06-29 16:59:462024-06-29 16:59:49

Judging History

你现在查看的是最新测评结果

  • [2024-06-29 16:59:49]
  • 评测
  • 测评结果:WA
  • 用时:2ms
  • 内存:3852kb
  • [2024-06-29 16:59:46]
  • 提交

answer

#include"bits/stdc++.h"
#include"bits/stdc++.h"

using lint = int64_t;

using namespace std;

int main(){
    cin.tie(nullptr)->sync_with_stdio(false);
    int t; cin>>t;
    while(t--){
        int n; cin>>n;
        string s; cin>>s;
        int ones = 0;
        for(char c : s)
            if(c == '1')
                ones++;
        int pref = 0, suff =0;
        for(int i = 0; i < n; i++){
            if(s[i] == '0') break;
            pref++;
        }
        for(int i = n-1; i >=0; i--){
            if(s[i] == '0') break;
            suff++;
        }
        cout<<ones + min(pref, suff)<<"\n";
    }
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3640kb

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: 3852kb

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
7
7
0
2
1
5
6
9
7
9
0
9
5
5
7
14
9
0
10
8
7
3
6
0
6
2
5
4
10
10
4
6
1
8
2
1
8
1
9
12
9
15
4
12
13
19
6
4
4
5
1
1
7
8
5
4
0
0
11
9
5
6
7
6
4
9
1
4
5
12
0
2
10
4
3
7
7
3
7
5
3
7
9
15
2
6
8
9
8
6
1
2
6
2
11
10
5
0
0
4
7
4
10
0
4
7
9
3
3
10
3
6
12
8
1
8
6
5
2
4
9
7
1
6
8
8
3
5
14
6
10
8
8
9
16
2
7
6
...

result:

wrong answer 2nd numbers differ - expected: '6', found: '7'