# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
985979 | yeediot | Dijamant (COI16_dijament) | C++17 | 139 ms | 1052 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define pii pair<int,int>
#define pb push_back
#define sz(x) (int)(x.size())
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
#define vi vector<int>
#define vp vector<pii>
#define vvi vector<vi>
#define ykh mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count())
#define __lg(x) 63-__builtin_clzll(x)
#define pow2(x) (1LL<<x)
void __print(int x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}
template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifdef local
void setio(){freopen("/Users/iantsai/Library/Mobile Documents/com~apple~CloudDocs/cpp/Empty.md","r",stdin);}
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
void setio(){}
#define debug(x...)
#endif
void setIO(string s) {
freopen((s + ".in").c_str(), "r", stdin);
freopen((s + ".out").c_str(), "w", stdout);
}
#define why_TOI_is_so_de ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);setio();
const int mxn=1005;
bitset<mxn>dp[mxn];
signed main(){
why_TOI_is_so_de;
int q;
cin>>q;
map<string,int>mp;
while(q--){
string s,t;
cin>>s>>t;
vector<int>v;
bool ok=1;
while(cin>>t and t!=";"){
if(mp.find(t)==mp.end()){
ok=0;
continue;
}
v.pb(mp[t]);
}
if(mp.find(s)!=mp.end())ok=0;
if(!ok){
cout<<"greska\n";
}
else{
int x=sz(mp)+1;
sort(all(v),greater<int>());
dp[x].reset();
for(auto i:v){
if(dp[x][i])continue;
if((dp[x]&dp[i]).any())ok=0;
dp[x]|=dp[i];
}
if(!ok){
cout<<"greska\n";
}
else{
mp[s]=x;
dp[x][x]=1;
//for(auto i:v)dp[x]|=dp[i];
cout<<"ok"<<'\n';
}
}
}
#ifdef local
cerr << "\n[Time]: " << 1000.0 * clock() / CLOCKS_PER_SEC << " ms.\n";
#endif
}
/*
input:
*/
Compilation message (stderr)
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