Submission #531159

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
531159	2022-02-27T21:50:26 Z	sidon	Jump (BOI06_jump)	C++17	100 / 100	5 ms	1064 KB

jump

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

void add(string &x, const string &y) {
	int cur = 0, j = size(y);

	for(int i = 0; i < j || cur; ++i) {
		if(i < j) cur += y[i] - '0';

		if(int(size(x)) == i) x.push_back('0');
		cur += x[i] - '0';
		x[i] = (cur % 10) + '0';
		cur /= 10;
	}
}
 
int main() {
	ios::sync_with_stdio(0), cin.tie(0);
	int n; cin >> n;
 
	int a[n][n];
	string b[n][n];
 
	for(int i = 0; i < n; ++i) {
		for(int j = 0; j < n; ++j) {
			cin >> a[i][j];
			b[i][j] = "0";
		}
	}
 
	b[0][0] = "1";
 
	for(int i = 0; i < n; ++i) {
		for(int j = 0; j < n; ++j) {
			if(i == n-1 && j == n-1) {
				reverse(begin(b[i][j]), end(b[i][j]));
				cout << string(b[i][j]);
			}
 
			if(i + a[i][j] < n)	add(b[i + a[i][j]][j], b[i][j]);
			if(j + a[i][j] < n) add(b[i][j + a[i][j]], b[i][j]);
		}
	}
}

Subtask #1

100.0 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	0 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	460 KB	Output is correct
16	Correct	3 ms	716 KB	Output is correct
17	Correct	2 ms	588 KB	Output is correct
18	Correct	4 ms	844 KB	Output is correct
19	Correct	3 ms	716 KB	Output is correct
20	Correct	5 ms	1064 KB	Output is correct