| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 122961 |
2019-06-29T17:08:59 Z |
SuperJava |
Pipes (BOI13_pipes) |
C++17 |
|
918 ms |
131076 KB |
//fold
#ifndef KHALIL
#include <bits/stdc++.h>
#else
#include "header.h"
#endif
#define endl '\n'
#define mp make_pair
#define tostr(x) static_cast<ostringstream&>((ostringstream()<<dec<<x)).str()
#define rep(i,begin,end) for(auto i = begin;i < end;i++)
#define repr(i,begin,end) for(auto i = begin-1;i >= end;i--)
#define pb push_back
#define sz(a) ((int)(a).size())
#define fi first
#define se second
#define abs(a) ((a) < (0) ? (-1)*(a) : (a))
#define SQ(a) ((a)*(a))
#define eqd(a,b) (abs(a-b)<1e-9)
#define X real()
#define Y imag()
using namespace std;
typedef long long ll;
typedef long double ld;
template <typename t> t in(t q){cin >> q;return q;}
template <typename T> ostream& operator<<(ostream& os, const vector<T>& v){os << "[";for (int i = 0; i < sz(v); ++i) { os << v[i]; if (i != sz(v) - 1) os << ",";}os << "]";return os;}
template <typename T, typename S>ostream& operator<<(ostream& os, const map<T, S>& v){for (auto it : v)os << "(" << it.first << ":" << it.second << ")";return os;}
template <typename T, typename S>ostream& operator<<(ostream& os, const pair<T, S>& v){os << "(" << v.first << "," << v.second << ")";return os;}
const long double PI = acosl(-1);
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
mt19937_64 rng64(chrono::steady_clock::now().time_since_epoch().count());
inline int rand(int l,int r){return uniform_int_distribution<int>(l, r)(rng);}
inline ll rand(ll l,ll r){return uniform_int_distribution<ll>(l, r)(rng64);}
//endfold
#define N (200'005)
#define MOD (1'000'000'007ll)
#define OO (1'050'000'000)
#define OOL (1'100'000'000'000'000'000ll)
//global
set<pair<ll,ll>> s;
set<pair<ll,ll>> adj[N];
ll sum[N];
ll val[N];
vector<ll> res;
void dfs(ll u,ll p){
res.push_back(u);
for(auto v:adj[u]){
if(v.first != p) dfs(v.first,u);
}
}
int main(){
//fold
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
cout << setprecision(10);
//endfold
ll n,m;
cin >> n >> m;
if(m > n) return cout << 0,0;
rep(i,1,n+1){
cin >> sum[i];
}
rep(i,0,m){
ll u,v;
cin >> u >> v;
adj[u].insert({v,i});
adj[v].insert({u,i});
}
rep(i,1,n+1){
if(sz(adj[i])) s.insert({sz(adj[i]),i});
}
while(sz(s) && s.begin()->first == 1){
ll u = s.begin()->second;
s.erase(s.begin());
ll v = adj[u].begin()->first;
ll edgide = adj[u].begin()->second;
s.erase({sz(adj[v]),v});
adj[u].erase(adj[u].begin());
adj[v].erase({u,edgide});
val[edgide] = sum[u];
sum[u] = 0;
sum[v] -= val[edgide];
if(sz(adj[v])) s.insert({sz(adj[v]),v});
}
if(sz(s) && s.begin()->first == 2){
dfs(s.begin()->second,0);
ll ans = sum[res[0]];
rep(i,1,sz(res)){
if(i&1) ans += sum[res[i]];
else ans -= sum[res[i]];
}
ll u = res[0];
s.erase({sz(adj[u]),u});
ll v = res[1];
ll edgide = (*adj[u].lower_bound({v,0})).second;
s.erase({sz(adj[v]),v});
adj[u].erase({v,edgide});
adj[v].erase({u,edgide});
val[edgide] = ans;
sum[u] -= val[edgide];
sum[v] -= val[edgide];
if(sz(adj[v])) s.insert({sz(adj[v]),v});
}
while(sz(s) && s.begin()->first == 1){
ll u = s.begin()->second;
s.erase(s.begin());
ll v = adj[u].begin()->first;
ll edgide = adj[u].begin()->second;
s.erase({sz(adj[v]),v});
adj[u].erase(adj[u].begin());
adj[v].erase({u,edgide});
val[edgide] = sum[u];
sum[u] = 0;
sum[v] -= val[edgide];
if(sz(adj[v])) s.insert({sz(adj[v]),v});
}
rep(i,0,m){
cout << val[i]*2 << endl;
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
10 ms |
9848 KB |
Output is correct |
| 2 |
Correct |
10 ms |
9848 KB |
Output is correct |
| 3 |
Correct |
12 ms |
9976 KB |
Output is correct |
| 4 |
Correct |
253 ms |
32164 KB |
Output is correct |
| 5 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 6 |
Correct |
10 ms |
9724 KB |
Output is correct |
| 7 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 8 |
Correct |
10 ms |
9848 KB |
Output is correct |
| 9 |
Correct |
11 ms |
9976 KB |
Output is correct |
| 10 |
Correct |
11 ms |
9976 KB |
Output is correct |
| 11 |
Correct |
11 ms |
9976 KB |
Output is correct |
| 12 |
Correct |
11 ms |
9976 KB |
Output is correct |
| 13 |
Correct |
192 ms |
27404 KB |
Output is correct |
| 14 |
Correct |
227 ms |
30968 KB |
Output is correct |
| 15 |
Correct |
238 ms |
32120 KB |
Output is correct |
| 16 |
Correct |
209 ms |
28700 KB |
Output is correct |
| 17 |
Correct |
274 ms |
32088 KB |
Output is correct |
| 18 |
Correct |
241 ms |
32120 KB |
Output is correct |
| 19 |
Correct |
205 ms |
32076 KB |
Output is correct |
| 20 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 21 |
Correct |
12 ms |
9976 KB |
Output is correct |
| 22 |
Correct |
237 ms |
32120 KB |
Output is correct |
| 23 |
Correct |
183 ms |
27388 KB |
Output is correct |
| 24 |
Correct |
296 ms |
32080 KB |
Output is correct |
| 25 |
Correct |
260 ms |
28280 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
139 ms |
131072 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 2 |
Runtime error |
178 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 3 |
Runtime error |
770 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 4 |
Correct |
10 ms |
9592 KB |
Output is correct |
| 5 |
Correct |
10 ms |
9848 KB |
Output is correct |
| 6 |
Correct |
10 ms |
9724 KB |
Output is correct |
| 7 |
Runtime error |
141 ms |
131072 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 8 |
Runtime error |
135 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 9 |
Runtime error |
142 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 10 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 11 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 12 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 13 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 14 |
Runtime error |
139 ms |
131072 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 15 |
Runtime error |
180 ms |
131072 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 16 |
Runtime error |
166 ms |
131072 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 17 |
Runtime error |
163 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 18 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 19 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 20 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 21 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 22 |
Runtime error |
165 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 23 |
Runtime error |
752 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 24 |
Runtime error |
798 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 25 |
Runtime error |
745 ms |
131072 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 26 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 27 |
Correct |
10 ms |
9724 KB |
Output is correct |
| 28 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 29 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 30 |
Runtime error |
666 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 31 |
Runtime error |
720 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 32 |
Runtime error |
497 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 33 |
Runtime error |
918 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 34 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 35 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 36 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 37 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 38 |
Runtime error |
713 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 39 |
Runtime error |
503 ms |
131072 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 40 |
Runtime error |
827 ms |
131072 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 41 |
Runtime error |
760 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 42 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 43 |
Correct |
10 ms |
9724 KB |
Output is correct |
| 44 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 45 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 46 |
Runtime error |
728 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 47 |
Runtime error |
787 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 48 |
Runtime error |
710 ms |
131072 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 49 |
Runtime error |
515 ms |
131076 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 50 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 51 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 52 |
Correct |
10 ms |
9720 KB |
Output is correct |
| 53 |
Correct |
10 ms |
9796 KB |
Output is correct |
| 54 |
Runtime error |
562 ms |
131072 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
