Submission #234043

#	Time	Username	Problem	Language	Result	Execution time	Memory
234043		tleontest1	Dreaming (IOI13_dreaming)	C++14	Compilation error	0 ms	0 KiB

dreaming

#include <bits/stdc++.h>

using namespace std;

typedef long long lo;
typedef pair< lo,lo > PII;

#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=0;i<n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)

const lo MAX = -1000000000000000000;
const lo MIN = 1000000000000000000;
const lo inf = 1000000000;
const lo KOK = 100000;
const lo LOG = 30;
const lo li = 500005;
const lo mod = 1000000007;

int n,m,b[li],a[li],k,flag,t[li],l,mx[li],maxi;
int cev;
string s;
bool ok[li];
vector<PII> v[li];

inline void dfs(int node,int ata,int der,int basla){
	//~ cout<<node<<" : : "<<ata<<endl;
	for(int i=0;i<(int)v[node].size();i++){
		int go=v[node][i].fi;
		int co=v[node][i].se;
		if(go==ata)continue;
		dfs(go,node,der+co,basla);
	}
	if(basla==1)ok[node]=1;
	mx[basla]=max(mx[basla],der);
	maxi=max(maxi,mx[basla]);
}

int travelTime(int N, int M, int L, int A[], int B[], int T[]) {
	
	for(int i=1;i<=m;i++){
		v[A[i]].pb(mp(B[i],T[i]));
		v[B[i]].pb(mp(A[i],T[i]));
	}
	FOR dfs(i,0,0,i);
	int mn=inf,mn1=inf;
	FOR{
		if(ok[i])mn=min(mn,mx[i]);
		else mn1=min(mn1,mx[i]);
	}
    return max(maxi,mn+mn1+L);
}

int main(void){
	scanf("%d %d %d",&n,&m,&l);
	for(int i=1;i<=m;i++){
		scanf("%d",&a[i]);
	}
	for(int i=1;i<=m;i++){
		scanf("%d",&b[i]);
	}
	for(int i=1;i<=m;i++){
		scanf("%d",&t[i]);
	}
	printf("%d\n",travelTime(n,m,l,a,b,t));
	return 0;
}

Compilation message (stderr)

dreaming.cpp: In function 'int main()':
dreaming.cpp:60:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d",&n,&m,&l);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~
dreaming.cpp:62:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a[i]);
   ~~~~~^~~~~~~~~~~~
dreaming.cpp:65:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&b[i]);
   ~~~~~^~~~~~~~~~~~
dreaming.cpp:68:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&t[i]);
   ~~~~~^~~~~~~~~~~~
/tmp/ccpmmj4w.o: In function `main':
dreaming.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccMVfPgK.o:grader.c:(.text.startup+0x0): first defined here
/tmp/ccMVfPgK.o: In function `main':
grader.c:(.text.startup+0xa2): undefined reference to `travelTime'
collect2: error: ld returned 1 exit status