Submission #495027

#	Time	Username	Problem	Language	Result	Execution time	Memory
495027		uHyHn	Computer Network (BOI14_network)	C++14	100 / 100	89 ms	8016 KiB

network

#include <bits/stdc++.h>
using namespace std;
#define sp << ' ' <<
#define nl << '\n'
#include "network.h"
 
void findRoute (int N, int a, int b){
	int dist = ping(a, b);
	vector<int> at[dist];
	for(int i=1; i<=N; ++i){
		if(i == a or i == b) continue;
		int k = ping(b, i);
		if(k < dist) at[k].push_back(i);
	}
 
	int u = a;
 
	for(int i=dist-1; i>=0; --i){
		for(int j : at[i]){
			if(!ping(u, j)){
				travelTo(u = j);
				break;
			}
		}
	}
	travelTo(b);
}

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