Submission #580938

#	Time	Username	Problem	Language	Result	Execution time	Memory
580938		Koosha_mv	Toy Train (IOI17_train)	C++14	Compilation error	0 ms	0 KiB

train

#include <bits/stdc++.h>
using namespace std;
#define dbgv(v) cout<<#v<<" = "; f(i,0,v.size()) cout<<v[i]<<" "; cout<<endl
#define dbga(a,x,y) cout<<#a<<" = "; f(i,x,y) cout<<a[i]<<" "; cout<<endl
#define erorp(x) cout<<#x<<"={"<<x.F<<" , "<<x.S<<"}"<<endl
#define eror(x) cout<<#x<<'='<<(x)<<endl
#define f_(i,a,b) for(int i=a;i>=b;i--)
#define f(i,a,b) for(int i=a;i<b;i++)
#define nb(x) __builtin_popcount(x)
#define all(v) v.begin(),v.end()
#define bit(n,k) (((n)>>(k))&1)
#define Add(x,y) x=(x+y)%mod
#define maxm(a,b) a=max(a,b)
#define minm(a,b) a=min(a,b)
#define lst(x) x[x.size()-1]
#define sz(x) int(x.size())
#define mp make_pair
#define ll long long
#define pb push_back
#define S second
#define F first
//#include "train.h"

const int N=5050;

int n,A[N],B[N],dp[N],pd[N];
vector<int> g[N];

void solve0(){
	f(t,0,n){
		f(u,0,n){
			int And=1,Or=0;
			for(auto v : g[u]){
				Or|=dp[v];
				And&=dp[v];
			}
			pd[u]=(dp[u] && ((A[u]==0 && Or) || (A[u]==1 && And)));
		}
		f(u,0,n) dp[u]=pd[u];
	} 
}
void solve1(){
	//dbga(dp,0,n);
	f(t,0,n){
		f(u,0,n){
			int And=1,Or=0;
			for(auto v : g[u]){
				Or|=dp[v];
				And&=dp[v];
			}
			pd[u]=(dp[u] || ((A[u]==0 && Or) || (A[u]==1 && And)));
		}
		f(u,0,n) dp[u]=pd[u];
	}
}
vector<int> who_wins(vector<int> a,vector<int> r,vector<int> u,vector<int> v){
	f(i,0,u.size()) g[u[i]].pb(v[i]);
	n=a.size();
	f(i,0,n) A[i]=a[i],B[i]=r[i],dp[i]=B[i]^1;
	solve0();
	solve1();
	vector<int> ans(n);
	f(i,0,n) ans[i]=dp[i]^1;
	//dbgv(ans);
	return ans;
}


int32_t main(){
	ios:: sync_with_stdio(0), cin.tie(0), cout.tie(0);
	who_wins({1,1},{1,0},{0,0,1,1},{0,1,0,1});
}

Compilation message (stderr)

train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
train.cpp:8:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define f(i,a,b) for(int i=a;i<b;i++)
......
   57 |  f(i,0,u.size()) g[u[i]].pb(v[i]);
      |    ~~~~~~~~~~~~                
train.cpp:57:2: note: in expansion of macro 'f'
   57 |  f(i,0,u.size()) g[u[i]].pb(v[i]);
      |  ^
/usr/bin/ld: /tmp/cc4ykLeH.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc2ocguI.o:train.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status