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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#629205#9430. Left Shifting 2KIRITO1211#WA 2ms3560kbC++23850b2024-10-11 08:57:252024-10-11 08:57:25

Judging History

你现在查看的是最新测评结果

  • [2024-10-11 08:57:25]
  • 评测
  • 测评结果:WA
  • 用时:2ms
  • 内存:3560kb
  • [2024-10-11 08:57:25]
  • 提交

answer

#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
#define int long long
using ll = long long;
using i64 = long long;
const int mod = 998244353;
// #define DEBUG

// 线段树合并信息

void solve() {
    std::string s;std::cin>>s;
    int n = s.size();
    int ans = 0;
    int flg = 0;
    for(int i = 0;i < n;i++){
        int cnt = 1;
        while(i + 1 < n && s[i] == s[i + 1]){
            cnt++;
            i++;
        }
        ans += cnt / 2;
        if(cnt % 2 == 0) flg = 1;
    }
    if(flg) ans--;
    std::cout<<ans<<'\n';
}

signed main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(0);
    int t = 1;
    // int res = 0;
    // for(int i = 1;i <= 1145;i++) res |= i;
    // std::cerr<<res<<'\n';
    std::cin>>t;
    while (t--) {
        solve();
    }
    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 3488kb

input:

3
abccbbbbd
abcde
x

output:

2
0
0

result:

ok 3 lines

Test #2:

score: -100
Wrong Answer
time: 2ms
memory: 3560kb

input:

5000
lfpbavjsmppdppkfwnyfmbdhptdswsoulrbhyjh
cfliuqnynejgnxolzbdoztclzbozqomvioszk
eiivcoqoymonrqgrjdtkts
mdcvservaxcbioopfungsgkiftchwlmtbzqgaraovjknsgiegkvdbolmeunvrxrpscnf
ujeqtidwtoikkqtygo
llma
qjfvgwrdhaazejsfgilnpmmhkefndzvyon
kzwwpdpbrudqmwmjscllnnjyoepxophcoopvfepikouinuxx
vftculoorxskpkxoz...

output:

1
0
0
0
0
0
1
4
0
0
1
1
0
1
1
3
0
0
5
6
0
0
5
2
0
1
3
1
0
3
0
1
0
1
1
0
1
4
1
3
1
0
1
5
3
0
3
0
0
1
7
0
0
6
1
2
0
1
0
0
4
1
2
4
3
1
3
2
3
0
2
0
0
0
2
0
2
2
0
4
0
5
5
0
3
0
4
0
0
2
1
0
2
0
1
6
1
2
0
3
3
3
5
2
3
0
3
5
1
3
0
0
3
0
4
5
3
2
1
1
0
0
2
0
1
1
2
3
3
1
2
0
1
1
4
2
1
3
0
1
1
2
0
1
2
0
4
0
1
1
...

result:

wrong answer 13th lines differ - expected: '1', found: '0'