Submission #9458

#	Time	Username	Problem	Language	Result	Execution time	Memory
9458		levant916	Your life (kriii2_Y)	C++14	0 / 4	0 ms	2064 KiB

Y

#include <iostream>
#include <string>
#include <cstdio>
#include <algorithm>
#include <vector>

using namespace std;

int dp[100001];
int M, N;

int main(void) {
	
	int x, y;
	cin >> N >> M;

	for (int i = 0; i < M; i++) {
		cin >> x >> y;
		if (dp[y] == 0) {
			dp[y] = dp[x] + 1;
		}
		else if( dp[y] > dp[x] + 1){
			dp[y] = dp[x] + 1;
		}
	}
	cout << dp[N] << endl;
	
	
	return 0;
}

• Subtask 1: 0 / 1
• Subtask 2: 0 / 3