Submission #945650

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
945650	2024-03-14 05:58:03	itslq	Fancy Fence (CEOI20_fancyfence)	C++17	58 / 100	19 ms	3032 KiB

fancyfence

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#include <bits/stdc++.h>
using namespace std;
#define int long long
const int MOD = 1e9 + 7;
const int MOD2 = 2 * MOD;
int md(int x) {
    if (x < 0) return (x % MOD) + MOD;
    if (x < MOD) return x;
    return x % MOD;
}
int md2(int x) {
    if (x < 0) return (x % MOD2) + MOD2;
    if (x < MOD2) return x;
    return x % MOD2;
}
int tri(int x) {
    if (x % 2) return md((x + 1) / 2 * x);
    return md(x / 2 * (x + 1));
}
signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
//    ifstream cin("in.txt");
 
 
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Compilation message (stderr)

fancyfence.cpp: In function 'int main()':
fancyfence.cpp:33:28: warning: variable 'st5' set but not used [-Wunused-but-set-variable]
   33 |     bool st3 = 1, st4 = 1, st5 = 1;
      |                            ^~~

• Subtask 1: 0 / 0
• Subtask 2: 12 / 12
• Subtask 3: 13 / 13
• Subtask 4: 15 / 15
• Subtask 5: 0 / 15
• Subtask 6: 18 / 18
• Subtask 7: 0 / 27