Submission #19904

#	Time	Username	Problem	Language	Result	Execution time	Memory
19904		inspire12	괄호 (kriii4_R)	C++98	0 / 100	0 ms	1084 KiB

R

#include <cstdio>
#include <vector>
#include <queue>

using namespace std;
int main() {
	int n, s; 
	long long m;
	
	scanf("%d %d", &n, &s);
	long long res = 3;
	long long ri = 2;
	for (int i = 2; i < n; i++) {
		if ((i + 1) % 2 == 0) ri += 1;
		else ri += 2;
		res += ri;
	}
	
	printf("%lld", res%1000000007);
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 92