Submission #45097

#	Time	Username	Problem	Language	Result	Execution time	Memory
45097		nibnalin	Computer Network (BOI14_network)	C++17	100 / 100	197 ms	14448 KiB

network

#include <iostream>
#include <cstdio>
#include <vector>
#include "network.h"
using namespace std;

const int maxn = int(1e3)+5;

int D[maxn];

void findRoute (int n, int a, int b)
{
	for(int i = 1;i <= n;i++)
	{
		if(i != b) D[i] = ping(b, i)+1;
		//cout << i << " " << D[0][i] << " " << D[1][i] << "\n";
	}

	int cur = a;
	while(cur != b)
	{
		for(int i = 1;i <= n;i++)
		{
			if(D[i] == D[cur]-1 && ping(cur, i) == 0)
			{
				travelTo(i);
				cur = i;
				break;
			}
		}
	}
}

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]
     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]
             scanf("%d", &distance[u][v]);
             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

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