摘要:
A. OS Versions code #include<bits/stdc++.h> using namespace std; string s; int x,y; int main(){ cin >> s; if(s[0] == 'O') x = 0; else if(s[0] == 'S') 阅读全文
posted @ 2025-10-05 07:48
ricky_lin
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摘要:
A. Be Positive code #include<bits/stdc++.h> using namespace std; const int NN = 1e4; int T; int n,a[NN]; int cnt1,cnt2; void solve(){ cnt1 = cnt2 = 0; 阅读全文
posted @ 2025-10-05 07:39
ricky_lin
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