oj.uz

Submission #371794

# Submission time Handle Problem Language Result Execution time Memory
371794 2021-02-27T05:45:23 Z stonejjun03 Toy Train (IOI17_train) C++14
0 / 100
 2000 ms 49260 KB 
#include "train.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
#define pb push_back

ll ans[1010101];
ll chk[1010101];
ll ind[1010101];
ll cnt[1010101];
ll vis[1010101];
ll vis2[1010101];
ll gp[1010101];
queue<ll> q;
vector<ll> v[1010101];
vector<ll> rev[1010101];

std::vector<int> who_wins(std::vector<int> a, std::vector<int> r, std::vector<int> u, std::vector<int> s) {
	ll i,j,k,l,m,n=a.size();
	std::vector<int> res(n);
	for(i=0;i<u.size();i++){
		v[u[i]].pb(s[i]);
		rev[s[i]].pb(u[i]);
		ind[u[i]]++;
	}
	ll fl=1;
	while(fl){
		fl=0;
		for(i=0;i<n;i++){
			vis[i]=0;
			cnt[i]=0;
			chk[i]=0;
			if(r[i]==1) q.push(i);
		}
		
		while(q.size()){
			ll x=q.front(); q.pop();
			if(vis[x]) continue;
			chk[x]=1;
			vis[x]=1;
			for(auto k:rev[x]){
				cnt[k]++;
				if(a[k]==1&&cnt[k]==1) q.push(k);
				if(a[k]==0&&cnt[k]==ind[k]) q.push(k);
			}
		}

		for(i=0;i<n;i++){
			cnt[i]=0;
			ans[i]=vis[i];
			vis2[i]=0;
			if(chk[i]==0) q.push(i);
		}

		while(q.size()){
			ll x=q.front(); q.pop();
			if(vis2[x]) continue;
			chk[x]=0;
			vis2[x]=1;
			for(auto k:rev[x]){
				cnt[k]++;
				if(a[k]==0&&cnt[k]==1) q.push(k);
				if(a[k]==1&&cnt[k]==ind[k]) q.push(k);
			}
		}
		for(i=0;i<n;i++){
			if(r[i]&&chk[i]==0){
				r[i]==0;
				fl=1;
			}
		}

	}


	for(i=0;i<n;i++)
		res[i]=chk[i];
	return res;
}

Compilation message

train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
train.cpp:21:11: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |  for(i=0;i<u.size();i++){
      |          ~^~~~~~~~~
train.cpp:68:9: warning: value computed is not used [-Wunused-value]
   68 |     r[i]==0;
train.cpp:19:7: warning: unused variable 'j' [-Wunused-variable]
   19 |  ll i,j,k,l,m,n=a.size();
      |       ^
train.cpp:19:9: warning: unused variable 'k' [-Wunused-variable]
   19 |  ll i,j,k,l,m,n=a.size();
      |         ^
train.cpp:19:11: warning: unused variable 'l' [-Wunused-variable]
   19 |  ll i,j,k,l,m,n=a.size();
      |           ^
train.cpp:19:13: warning: unused variable 'm' [-Wunused-variable]
   19 |  ll i,j,k,l,m,n=a.size();
      |             ^

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2076 ms 48620 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2074 ms 47852 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2074 ms 49132 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2053 ms 48876 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 49132 KB Output is correct
2 Correct 43 ms 49260 KB Output is correct
3 Correct 44 ms 49092 KB Output is correct
4 Correct 47 ms 49004 KB Output is correct
5 Correct 34 ms 47852 KB Output is correct
6 Execution timed out 2055 ms 48756 KB Time limit exceeded
7 Halted 0 ms 0 KB -

Subtask #6
0 / 51.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2076 ms 48620 KB Time limit exceeded
2 Halted 0 ms 0 KB -