Submission #392332

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
392332	2021-04-20T19:57:11 Z	ritul_kr_singh	Computer Network (BOI14_network)	C++17	Compilation error	0 ms	0 KB

network

#include <bits/stdc++.h>
using namespace std;
#define int long long
#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(a, i);
		if(k < dist) at[k].push_back(i);
	}

	for(int i=0; i<dist; ++i){
		for(int j : at[i]){
			if(i + 1 + ping(j, b) == dist){
				travelTo(j);
				break;
			}
		}
	}
	travelTo(b);
}

Compilation message

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]);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~
/tmp/cch4b8KI.o: In function `findRoute(long long, long long, long long)':
network.cpp:(.text+0x30): undefined reference to `ping(long long, long long)'
network.cpp:(.text+0xbf): undefined reference to `ping(long long, long long)'
network.cpp:(.text+0x144): undefined reference to `ping(long long, long long)'
network.cpp:(.text+0x154): undefined reference to `travelTo(long long)'
network.cpp:(.text+0x166): undefined reference to `travelTo(long long)'
/tmp/ccL0yJJC.o: In function `main':
grader.c:(.text.startup+0xc5): undefined reference to `findRoute(int, int, int)'
collect2: error: ld returned 1 exit status