Submission #1162804


Source Code Expand

#include <bits/stdc++.h>
using namespace std;

const int mod = (int)1e9 + 7;
const int N = 2005;

int f[N][N];

int main() {
	int a, b, k;
	cin >> a >> b >> k;
	if (!a || !b) {
		cout << 1 << endl;
		return 0;
	}
	for (int i = 0; i <= a; ++i) {
		for (int j = 0; j <= b; ++j) {
			if (!i && !j) {
				f[i][j] = 1;
				continue;
			}
			for (int x = 0; x < k; ++x) {
				int y = k - x - 1;
				if (x > i || y > j) {
					continue;
				}
				f[i][j] = (f[i][j] + f[i - x][j - y]) % mod;
			}
		}
	}
	int result = 0;
	for (int x = 0; x <= a; x += k - 1) {
		for (int y = 0; y <= b; y += k - 1) {
			for (int i = 1; i < k; ++i) {
				int j = k - i;
				if (i > a - x || j > b - y) {
					continue;
				}
				result = (result + f[a - i - x][b - j - y]) % mod;
			}
		}
	}
	cout << result << endl;
	return 0;
}

Submission Info

Submission Time
Task E - Eternal Average
User nobik
Language C++14 (GCC 5.4.1)
Score 0
Code Size 848 Byte
Status TLE
Exec Time 2103 ms
Memory 15872 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 1600
Status
AC × 3
AC × 23
TLE × 4
Set Name Test Cases
Sample s1.txt, s2.txt, s3.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, s1.txt, s2.txt, s3.txt
Case Name Status Exec Time Memory
01.txt AC 1 ms 256 KB
02.txt AC 67 ms 15872 KB
03.txt AC 1 ms 256 KB
04.txt AC 1 ms 256 KB
05.txt AC 56 ms 15872 KB
06.txt AC 1 ms 256 KB
07.txt AC 5 ms 14208 KB
08.txt AC 4 ms 896 KB
09.txt AC 667 ms 15872 KB
10.txt AC 954 ms 15872 KB
11.txt TLE 2103 ms 6144 KB
12.txt TLE 2103 ms 5504 KB
13.txt AC 1922 ms 14592 KB
14.txt TLE 2103 ms 10496 KB
15.txt AC 1749 ms 14592 KB
16.txt AC 1199 ms 2304 KB
17.txt TLE 2103 ms 6400 KB
18.txt AC 142 ms 4352 KB
19.txt AC 8 ms 14464 KB
20.txt AC 96 ms 15104 KB
21.txt AC 1 ms 256 KB
22.txt AC 155 ms 15872 KB
23.txt AC 872 ms 14592 KB
24.txt AC 968 ms 14592 KB
s1.txt AC 1 ms 256 KB
s2.txt AC 1 ms 256 KB
s3.txt AC 3 ms 896 KB