Submission #445368

#	Time	Username	Problem	Language	Result	Execution time	Memory
445368		wind_reaper	Computer Network (BOI14_network)	C++17	100 / 100	111 ms	7876 KiB

network

#include <bits/stdc++.h>
#include "network.h"

using namespace std;

int _ping(int u, int v){
	return (u == v ? -1 : ping(u, v));
}

void findRoute(int N, int u, int v){
	int dist[N + 1];
	for(int i = 1; i <= N; i++)
		dist[i] = _ping(v, i);

	int cur = u;
	for(int i = dist[u] - 1; i >= 0; --i)
		for(int j = 1; j <= N; j++){
			if(dist[j] == i && ping(cur, j) == 0){
				travelTo(j);
				cur = j;
				break;
			}
		}

	travelTo(v);
}

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:48:11: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   48 |     scanf ("%d%d%d%d", &N, &a, &b, &M);
      |     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
grader.c:51:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |             scanf("%d", &distance[u][v]);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 25 / 25
• Subtask 4: 25 / 25