Submission #899834

#	Time	Username	Problem	Language	Result	Execution time	Memory
899834		pcc	Dijamant (COI16_dijament)	C++14	100 / 100	144 ms	4084 KiB

dijament

#include <bits/stdc++.h>
using namespace std;

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,popcnt")

#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>
#define _all(T) T.begin(),T.end()


const int mxn = 1010;
vector<int> paths[mxn];
vector<string> in[mxn];
bitset<mxn> active;
int cnt[mxn];
bitset<mxn> up[mxn];
int n;
map<string,int> mp;

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	cin>>n;
	while(n--){
		string tmp;
		string now;
		cin>>now;
		vector<int> v;
		cin>>tmp;
		bool flag = true;
		while(cin>>tmp){
			if(tmp == ";")break;
			if(mp.find(tmp) == mp.end()){
				flag = false;
				continue;
			}
			v.push_back(mp[tmp]);
		}
		if(mp.find(now) != mp.end())flag = false;
		if(!flag){
			cout<<"greska\n";
			continue;
		}
		sort(v.rbegin(),v.rend());
		bitset<mxn> dp;
		dp.reset();
		if(!v.empty())dp = up[v[0]];
		for(int i = 1;i<v.size();i++){
			if(dp[v[i]])continue;
			else if((dp&up[v[i]]).any())flag = false;
			dp|=up[v[i]];
		}
		if(!flag){
			cout<<"greska\n";
			continue;
		}
		mp[now] = mp.size()+1;
		int tid = mp[now];
		up[tid][tid] = true;
		for(auto &i:v)up[tid]|=up[i];
		cnt[tid] = up[tid].count();
		cout<<"ok\n";
	}
	return 0;
}

Compilation message (stderr)

dijament.cpp: In function 'int main()':
dijament.cpp:52:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |   for(int i = 1;i<v.size();i++){
      |                 ~^~~~~~~~~

• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 29 / 29
• Subtask 4: 44 / 44