Submission #22629

#	Time	Username	Problem	Language	Result	Execution time	Memory
22629		2000/4000 (#40)	Fully Generate (KRIII5_FG)	C++14	2 / 7	9 ms	5020 KiB

FG

#include <cstdio>

const int P = 1000'000'007;
int N;
int A[1000004];

int main() {
	scanf("%d", &N);
	if (N > 1000000) {
		puts("Too Big!");
		return 0;
	}

	long long p = 1;
	A[1] = 1;
	for (int i = 1; i < N; ++i) {
		A[i + 1] = 1 + A[i + 1 - A[A[i]]];
		p = p * A[i + 1] % P;
	}

	printf("%lld\n", p);
	return 0;
}

Compilation message (stderr)

FG.cpp: In function 'int main()':
FG.cpp:8:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
                 ^

• Subtask 1: 2 / 2
• Subtask 2: 0 / 5