Submission #480476

#	Time	Username	Problem	Language	Result	Execution time	Memory
480476		dsyz	Computer Network (BOI14_network)	C++17	100 / 100	114 ms	7896 KiB

network

#include "network.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define MAXN (1005)

void findRoute (int N, int a, int b){
    int dist = ping(a, b);
    ll from[N + 1];
    for(int i = 1;i <= N;i++){
		if(i != a && i != b){
			int fromend = ping(i,b);
			from[i] = fromend;
		}
	}
	int cur = a;
	int prev = dist;
	int visited[N + 1];
	memset(visited,0,sizeof(visited));
	visited[a] = 1;
	visited[b] = 1;
    for (int w = 0;w < dist;w++){
		for(int i = 1;i <= N;i++){
			if(i == a || i == b){
				continue;
			}
			if(visited[i] == 0 && from[i] == prev - 1 && ping(cur,i) == 0){
				visited[i] = 1;
				prev--;
				cur = i;
				break;
			}
		}
		travelTo(cur);
	}
	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