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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 |
---|---|---|---|---|---|---|---|---|---|
#747955 | #9568. Left Shifting 3 | caojc# | AC ✓ | 6ms | 6148kb | C++20 | 1.8kb | 2024-11-14 18:51:00 | 2024-11-14 18:51:07 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int, int>
#define db(args...){\
string _s = #args; replace(_s.begin(), _s.end(), ',', ' ');\
stringstream _ss(_s); istream_iterator<string> _it(_ss); err(_it, args); cout << '\n';}
void err(istream_iterator<string> it){}
template<typename T, typename... Args>
void err(istream_iterator<string> it, T a, Args... args) {
cout << *it << " = " << a << ' ';
err(++it, args...);
}
void solve() {
int n, k;
cin >> n >> k;
k = min(n, k);
string s;
cin >> s;
s = ' ' + s + s;
if (n < 7) {
cout << "0\n";
return;
}
string t = "nanjing";
vector<int> a(s.size());
for (int i = 7; i < s.size(); i++) {
int j = i - 7 + 1;
string S(s.begin() + j, s.begin() + i + 1);
a[i] = S == t;
a[i] += a[i - 1];
}
int res = 0;
for (int i = 1; i <= k + 1 && i <= n; i++) {
if (i + 7 - 2 < a.size()) res = max(res, a[i + n - 1] - a[i + 7 - 2]);
}
cout << res << '\n';
}
// L
// void pre(int n) {
// vector<int> p(n);
// iota(p.begin(), p.end(), 0);
// db(n);
// do {
// set<int> st;
// for (int i = 0; i < n; i++) {
// st.insert(p[i] ^ i);
// }
// if (st.size() == n) {
// for (auto x : p) cout << x << ' ';
// cout << '\n';
// return;
// }
// } while (next_permutation(p.begin(), p.end()));
// cout << "No\n";
// }
signed main() {
ios::sync_with_stdio(0); cin.tie(0);
int t = 1;
cin >> t;
while (t--) solve();
return 0;
}
/*
g++ 1.cpp -std=c++20 -o 1 && ./1 < in.txt > out.txt
*/
这程序好像有点Bug,我给组数据试试?
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3548kb
input:
4 21 10 jingicpcnanjingsuanan 21 0 jingicpcnanjingsuanan 21 3 nanjingnanjingnanjing 4 100 icpc
output:
2 1 3 0
result:
ok 4 number(s): "2 1 3 0"
Test #2:
score: 0
Accepted
time: 3ms
memory: 3672kb
input:
2130 39 7 nnananjingannanjingngnanjinganjinggjina 1 479084228 g 33 2 gqnanjinggrjdtktnanjingcvsenanjin 24 196055605 ginganjingnanjingnanjing 23 3 ngnanjinganjingjinnanji 40 3 njingaaznannanjingnananjingyonwpnanjinga 40 207842908 nanjinggphconanjingkonanjinannanjinglxna 46 3 ingjingnnanjingnanjinging...
output:
3 0 3 2 2 3 3 4 3 4 0 2 4 3 2 1 1 1 4 2 0 3 3 0 0 1 0 0 0 5 4 0 1 2 1 2 2 1 1 1 3 3 1 3 2 0 1 2 4 1 2 1 2 1 2 3 0 1 0 0 1 1 3 2 2 1 0 3 1 2 1 1 4 4 1 1 1 1 0 1 1 1 1 2 0 4 4 3 1 1 2 1 1 1 1 5 1 4 0 1 2 1 3 4 3 3 3 3 1 3 2 1 3 1 2 0 0 1 0 5 0 2 0 3 1 0 2 2 3 2 1 2 0 1 1 1 2 4 1 3 2 0 1 1 2 2 2 1 0 3 ...
result:
ok 2130 numbers
Test #3:
score: 0
Accepted
time: 6ms
memory: 6148kb
input:
3 100000 998244353 gbppzfsncqyzmuwrcvtxsciucxusskcjhaanwhqmyncytwhkubrvcqxgcehdxyewdyvpqjcmrnmlgrytrucexmmfulqbtfctehphmrzkosyvhtvjrromqncbgsjcwhmlqidkycaxyhsrduoxayntuhqubvboseeziwjvrfagsbvtxjjbexnajqapgxydwtztzbbdpoydnjipfizdfpmczgqvdmpvxbqubtygkfpdeonegfzsttirbhzkobbigwneyvtcxndfkljdvbbcfnadtfhgo...
output:
4 1649 3651
result:
ok 3 number(s): "4 1649 3651"
Extra Test:
score: 0
Extra Test Passed