Submission #1690539


Source Code Expand

#include <cstdio>
#include <iostream>
#include <cmath>
#include <algorithm>
#include <vector>
#include <queue>
#include <map>

using namespace std;

long long int INF = 1000000007;

long long int pow10_9_5(long long int num){
	long long int pow_num = 1000000005;
	long long int mod_num = 1000000007;
	long long int pow_cur = num;
	long long int ret = 1;
	while(pow_num > 0){
		if(pow_num % 2 == 1){
			ret *= pow_cur;
			ret %= mod_num;
		}
		pow_cur *= pow_cur;
		pow_cur %= mod_num;
		pow_num /= 2;
	}
	return ret;
}

int main(){
	
	long long int W, H;
	cin >> W >> H;
	W--;
	H--;
	
	long long int ans = 1;
	
	for(int i = 1; i <= H + W; i++){
		ans *= i;
		ans %= INF;
	}
	
	for(int i = 1; i <= H; i++){
		ans *= pow10_9_5(i);
		ans %= INF;
	}
	
	for(int i = 1; i <= W; i++){
		ans *= pow10_9_5(i);
		ans %= INF;
	}
	
	cout << ans << endl;
	
	return 0;
}

Submission Info

Submission Time
Task C - 経路
User monolith
Language C++14 (GCC 5.4.1)
Score 101
Code Size 914 Byte
Status AC
Exec Time 38 ms
Memory 384 KB

Judge Result

Set Name Sample Dataset1 Dataset2 All
Score / Max Score 0 / 0 50 / 50 50 / 50 1 / 1
Status
AC × 2
AC × 12
AC × 24
AC × 35
Set Name Test Cases
Sample s0.txt, s1.txt
Dataset1 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, s0.txt
Dataset2 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, s0.txt, s1.txt
All 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, 024.txt, 025.txt, 026.txt, 027.txt, 028.txt, 029.txt, 030.txt, 031.txt, 032.txt, s0.txt, s1.txt
Case Name Status Exec Time Memory
000.txt AC 1 ms 256 KB
001.txt AC 1 ms 256 KB
002.txt AC 1 ms 256 KB
003.txt AC 1 ms 256 KB
004.txt AC 1 ms 256 KB
005.txt AC 1 ms 256 KB
006.txt AC 1 ms 256 KB
007.txt AC 1 ms 256 KB
008.txt AC 1 ms 256 KB
009.txt AC 1 ms 256 KB
010.txt AC 1 ms 256 KB
011.txt AC 2 ms 256 KB
012.txt AC 1 ms 256 KB
013.txt AC 2 ms 256 KB
014.txt AC 2 ms 256 KB
015.txt AC 2 ms 256 KB
016.txt AC 2 ms 256 KB
017.txt AC 2 ms 256 KB
018.txt AC 2 ms 256 KB
019.txt AC 1 ms 256 KB
020.txt AC 2 ms 256 KB
021.txt AC 2 ms 256 KB
022.txt AC 33 ms 256 KB
023.txt AC 29 ms 256 KB
024.txt AC 26 ms 384 KB
025.txt AC 9 ms 256 KB
026.txt AC 8 ms 256 KB
027.txt AC 25 ms 256 KB
028.txt AC 30 ms 256 KB
029.txt AC 16 ms 256 KB
030.txt AC 29 ms 256 KB
031.txt AC 22 ms 256 KB
032.txt AC 38 ms 256 KB
s0.txt AC 1 ms 256 KB
s1.txt AC 1 ms 256 KB