oj.uz

답안 #316338

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
316338 2020-10-25T23:15:08 Z sofapuden Jump (BOI06_jump) C++14
15 / 100
 17 ms 1280 KB 
#include <bits/stdc++.h>

using namespace std;

string add(string a, string b){
	string ans;
	reverse(a.begin(),a.end());
	reverse(b.begin(),b.end());
	while(a.size() < b.size()){
		a+="0";
	}
	while(b.size() < a.size()){
		b+="0";
	}
	int ex = 0;
	for(int i = 0; i < (int)a.size(); ++i){
		int cur = a[i]+b[i]+ex-'0'-'0';
		ex = cur/10;
		ans+=(char)((cur%10)+'0');
	}
	if(ex)ans += (char)('0'+ex);
	return ans;
}
	

int main(){
	int n; cin >> n;
	vector<vector<int>> gr(n,vector<int>(n));
	vector<vector<string>> dp(n,vector<string>(n,"0"));
	dp[0][0] = "1";
	for(auto &x : gr)for(auto &y : x)cin >> y;
	for(int i = 0; i < n; ++i){
		for(int j = 0; j < n; ++j){
			if(gr[i][j] + i < n && gr[i][j] != 0)dp[i+gr[i][j]][j]=add(dp[i][j],dp[i+gr[i][j]][j]);
			if(gr[i][j] + j < n && gr[i][j] != 0)dp[i][j+gr[i][j]]=add(dp[i][j],dp[i][j+gr[i][j]]);
		}
	}
	cout << dp[n-1][n-1] << "\n";
}

Subtask #1
15.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Incorrect 1 ms 384 KB Output isn't correct
4 Correct 1 ms 384 KB Output is correct
5 Incorrect 1 ms 384 KB Output isn't correct
6 Incorrect 1 ms 384 KB Output isn't correct
7 Incorrect 1 ms 384 KB Output isn't correct
8 Incorrect 1 ms 384 KB Output isn't correct
9 Incorrect 1 ms 384 KB Output isn't correct
10 Incorrect 1 ms 384 KB Output isn't correct
11 Incorrect 1 ms 384 KB Output isn't correct
12 Incorrect 1 ms 384 KB Output isn't correct
13 Incorrect 1 ms 384 KB Output isn't correct
14 Incorrect 1 ms 384 KB Output isn't correct
15 Incorrect 4 ms 512 KB Output isn't correct
16 Incorrect 10 ms 896 KB Output isn't correct
17 Incorrect 8 ms 768 KB Output isn't correct
18 Incorrect 13 ms 1152 KB Output isn't correct
19 Incorrect 10 ms 896 KB Output isn't correct
20 Incorrect 17 ms 1280 KB Output isn't correct