Submission #122503

# Submission time Handle Problem Language Result Execution time Memory
122503 2019-06-28T13:08:09 Z SuperJava Pipes (BOI13_pipes) C++17
35 / 100
320 ms 49232 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<int,int>> s;
set<pair<int,int>> adj[N];
int sum[N];
int val[N];

int main(){
	//fold
	ios::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	cout << setprecision(10);
	//endfold
	int n,m;
	cin >> n >> m;
	if(m > n) return cout << 0,0;
	assert(m != n);
	rep(i,1,n+1){
		cin >> sum[i];
	}
	rep(i,0,m){
		int u,v;
		cin >> u >> v;
		adj[u].insert({v,i});
		adj[v].insert({u,i});
	}
	rep(i,1,n+1){
		s.insert({sz(adj[i]),i});
	}
	while(sz(s) && s.begin()->first == 1){
		int u = s.begin()->second;
		s.erase(s.begin());
		int v = adj[u].begin()->first;
		int 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];
		s.insert({sz(adj[v]),v});
	}
	assert(sz(s) == 0);
	rep(i,0,m){
		cout << val[i]*2 << endl;
	}
	return 0;
}
# Verdict Execution time Memory Grader output
1 Runtime error 20 ms 19328 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Runtime error 20 ms 19328 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Runtime error 23 ms 19704 KB Execution killed with signal 11 (could be triggered by violating memory limits)
4 Runtime error 307 ms 49028 KB Execution killed with signal 11 (could be triggered by violating memory limits)
5 Runtime error 20 ms 19428 KB Execution killed with signal 11 (could be triggered by violating memory limits)
6 Runtime error 20 ms 19456 KB Execution killed with signal 11 (could be triggered by violating memory limits)
7 Runtime error 20 ms 19456 KB Execution killed with signal 11 (could be triggered by violating memory limits)
8 Runtime error 19 ms 19328 KB Execution killed with signal 11 (could be triggered by violating memory limits)
9 Runtime error 20 ms 19712 KB Execution killed with signal 11 (could be triggered by violating memory limits)
10 Runtime error 20 ms 19712 KB Execution killed with signal 11 (could be triggered by violating memory limits)
11 Runtime error 20 ms 19676 KB Execution killed with signal 11 (could be triggered by violating memory limits)
12 Runtime error 20 ms 19584 KB Execution killed with signal 11 (could be triggered by violating memory limits)
13 Runtime error 188 ms 43020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
14 Runtime error 253 ms 47480 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Runtime error 261 ms 49232 KB Execution killed with signal 11 (could be triggered by violating memory limits)
16 Runtime error 208 ms 44536 KB Execution killed with signal 11 (could be triggered by violating memory limits)
17 Runtime error 250 ms 49104 KB Execution killed with signal 11 (could be triggered by violating memory limits)
18 Runtime error 259 ms 49224 KB Execution killed with signal 11 (could be triggered by violating memory limits)
19 Runtime error 205 ms 49116 KB Execution killed with signal 11 (could be triggered by violating memory limits)
20 Runtime error 23 ms 19328 KB Execution killed with signal 11 (could be triggered by violating memory limits)
21 Runtime error 21 ms 19712 KB Execution killed with signal 11 (could be triggered by violating memory limits)
22 Runtime error 296 ms 49076 KB Execution killed with signal 11 (could be triggered by violating memory limits)
23 Runtime error 209 ms 43004 KB Execution killed with signal 11 (could be triggered by violating memory limits)
24 Runtime error 320 ms 49224 KB Execution killed with signal 11 (could be triggered by violating memory limits)
25 Runtime error 226 ms 44280 KB Execution killed with signal 11 (could be triggered by violating memory limits)
# Verdict Execution time Memory Grader output
1 Runtime error 19 ms 19328 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Runtime error 33 ms 19448 KB Execution killed with signal 11 (could be triggered by violating memory limits)
3 Runtime error 21 ms 19456 KB Execution killed with signal 11 (could be triggered by violating memory limits)
4 Correct 10 ms 9728 KB Output is correct
5 Correct 11 ms 9696 KB Output is correct
6 Correct 10 ms 9728 KB Output is correct
7 Runtime error 19 ms 19320 KB Execution killed with signal 11 (could be triggered by violating memory limits)
8 Runtime error 19 ms 19328 KB Execution killed with signal 11 (could be triggered by violating memory limits)
9 Runtime error 19 ms 19300 KB Execution killed with signal 11 (could be triggered by violating memory limits)
10 Correct 9 ms 9728 KB Output is correct
11 Correct 9 ms 9728 KB Output is correct
12 Correct 9 ms 9728 KB Output is correct
13 Correct 11 ms 9728 KB Output is correct
14 Runtime error 19 ms 19256 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Runtime error 19 ms 19328 KB Execution killed with signal 11 (could be triggered by violating memory limits)
16 Runtime error 19 ms 19456 KB Execution killed with signal 11 (could be triggered by violating memory limits)
17 Runtime error 20 ms 19328 KB Execution killed with signal 11 (could be triggered by violating memory limits)
18 Correct 10 ms 9728 KB Output is correct
19 Correct 9 ms 9728 KB Output is correct
20 Correct 9 ms 9728 KB Output is correct
21 Correct 9 ms 9728 KB Output is correct
22 Runtime error 19 ms 19320 KB Execution killed with signal 11 (could be triggered by violating memory limits)
23 Runtime error 19 ms 19328 KB Execution killed with signal 11 (could be triggered by violating memory limits)
24 Runtime error 23 ms 19320 KB Execution killed with signal 11 (could be triggered by violating memory limits)
25 Runtime error 19 ms 19448 KB Execution killed with signal 11 (could be triggered by violating memory limits)
26 Correct 10 ms 9728 KB Output is correct
27 Correct 10 ms 9728 KB Output is correct
28 Correct 9 ms 9728 KB Output is correct
29 Correct 10 ms 9728 KB Output is correct
30 Runtime error 19 ms 19456 KB Execution killed with signal 11 (could be triggered by violating memory limits)
31 Runtime error 19 ms 19328 KB Execution killed with signal 11 (could be triggered by violating memory limits)
32 Runtime error 19 ms 19448 KB Execution killed with signal 11 (could be triggered by violating memory limits)
33 Runtime error 19 ms 19328 KB Execution killed with signal 11 (could be triggered by violating memory limits)
34 Correct 9 ms 9728 KB Output is correct
35 Correct 8 ms 9728 KB Output is correct
36 Correct 9 ms 9728 KB Output is correct
37 Correct 9 ms 9728 KB Output is correct
38 Runtime error 20 ms 19328 KB Execution killed with signal 11 (could be triggered by violating memory limits)
39 Runtime error 19 ms 19328 KB Execution killed with signal 11 (could be triggered by violating memory limits)
40 Runtime error 20 ms 19456 KB Execution killed with signal 11 (could be triggered by violating memory limits)
41 Runtime error 19 ms 19456 KB Execution killed with signal 11 (could be triggered by violating memory limits)
42 Correct 9 ms 9728 KB Output is correct
43 Correct 10 ms 9728 KB Output is correct
44 Correct 9 ms 9728 KB Output is correct
45 Correct 11 ms 9724 KB Output is correct
46 Runtime error 20 ms 19328 KB Execution killed with signal 11 (could be triggered by violating memory limits)
47 Runtime error 20 ms 19448 KB Execution killed with signal 11 (could be triggered by violating memory limits)
48 Runtime error 20 ms 19328 KB Execution killed with signal 11 (could be triggered by violating memory limits)
49 Runtime error 19 ms 19328 KB Execution killed with signal 11 (could be triggered by violating memory limits)
50 Correct 9 ms 9728 KB Output is correct
51 Correct 12 ms 9728 KB Output is correct
52 Correct 9 ms 9728 KB Output is correct
53 Correct 9 ms 9728 KB Output is correct
54 Runtime error 19 ms 19260 KB Execution killed with signal 11 (could be triggered by violating memory limits)