Submission #574118

#	Time	Username	Problem	Language	Result	Execution time	Memory
574118		imsifile	Computer Network (BOI14_network)	C++17	100 / 100	108 ms	7908 KiB

network

#include "network.h"

int dd[1010];

int ping(int, int);
void travelTo(int);

void findRoute(int N, int a, int b)
{
	for (int i = 1; i <= N; i++)
		dd[i] = i != b ? ping(i, b) + 1 : 0;
	int pv = a;
	for (int i = 1; i <= N; i++)
	{
		for (int j = 1; j <= N; j++)
		{
			if (dd[pv] != dd[j] + 1)
				continue;
			if (ping(pv, j) == 0)
			{
				travelTo(j);
				pv = j;
				break;
			}
		}
		if (pv == b)
			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]
   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