oj.uz

Submission #888628

# Submission time Handle Problem Language Result Execution time Memory
888628 2023-12-18T04:27:45 Z vjudge1 Two Currencies (JOI23_currencies) C++17
10 / 100
 5000 ms 29512 KB 
#include <bits/stdc++.h>
using namespace std;/*
<<<<It's never too late for a new beginning in your life>>>>
Today is hard
  tomorrow will worse
  but the day after tomorrow will be the sunshine..
 
HARD WORK BEATS TALENT WHEN TALENT DOESN'T WORK HARD............
Never give up  */
//The most CHALISHKANCHIK
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(),x.end()
#define int long long
typedef vector<int> vi;
typedef pair<int,int> pii;
typedef vector<pair<int,int> > vii;
const int N = 100005;
vi g[N];
pii p[N];
map<pii, vi> mp;
int t;
int pre[N];
void dfs(int pos, int pr){
	if(pos == t)return;
	for(auto to:g[pos]){
		if(to!=pr){
			pre[to] = pos;
			dfs(to, pos);
		}
	}
}
void solve(){
	int n, m, q;
	cin >> n >> m >> q;
	vii cui;
	for(int i = 0; i < n-1; i++){
		int a, b;
		cin >> a >> b;
		g[a].pb(b);
		g[b].pb(a);
		cui.pb({a, b});
	}
	for(int i = 0; i < m; i++){
		int j, c;
		cin >> j >> c;j--;
		mp[cui[j]].pb(c);
		mp[{cui[j].ss, cui[j].ff}].pb(c);
	}
	if(n >= 2006){
		dfs(1, -1);
		vi pas;
		while(q--){
			int s, x, y;
			cin >> s >> t >> x >> y;
			if(s > t)swap(s, t);
			int r = t;
			while(r!=s){
				for(auto i:mp[{r, pre[r]}])pas.pb(i);
				r = pre[r];
			}
			sort(all(pas));
			for(auto i:pas){
				if(i <= y)y -= i;
				else x--;
			}pas.clear();
			cout << (x<0?-1:x) << '\n';
		}
	}else{
		vi pas;
		while(q--){
			int s, x, y;
			cin >> s >> t >> x >> y;
			dfs(s, -1);
			int r = t;
			while(r!=s){
				for(auto i:mp[{r, pre[r]}])pas.pb(i);
				r = pre[r];
			}
			sort(all(pas));
			for(auto i:pas){
				if(i <= y)y -= i;
				else x--;
			}pas.clear();
			cout << (x<0?-1:x) << '\n';
		}
	}
	
}
main(){
	ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
	int t = 1;
	//~ cin >> t;
	while(t--){
		solve();
	}
}

Compilation message

currencies.cpp:91:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   91 | main(){
      | ^~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 1 ms 4956 KB Output is correct
3 Correct 1 ms 4952 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 29 ms 5488 KB Output is correct
6 Correct 45 ms 5444 KB Output is correct
7 Correct 24 ms 5212 KB Output is correct
8 Correct 46 ms 5468 KB Output is correct
9 Correct 46 ms 5560 KB Output is correct
10 Correct 46 ms 5468 KB Output is correct
11 Correct 48 ms 5464 KB Output is correct
12 Correct 48 ms 5468 KB Output is correct
13 Correct 222 ms 5636 KB Output is correct
14 Correct 227 ms 5644 KB Output is correct
15 Correct 123 ms 5464 KB Output is correct
16 Correct 114 ms 5468 KB Output is correct
17 Correct 94 ms 5580 KB Output is correct
18 Correct 125 ms 5596 KB Output is correct
19 Correct 18 ms 5468 KB Output is correct
20 Correct 17 ms 5468 KB Output is correct
21 Correct 18 ms 5544 KB Output is correct
22 Correct 18 ms 5720 KB Output is correct
23 Correct 83 ms 5408 KB Output is correct
24 Correct 96 ms 5464 KB Output is correct
25 Correct 80 ms 5468 KB Output is correct
26 Correct 25 ms 5464 KB Output is correct
27 Correct 25 ms 5468 KB Output is correct
28 Correct 28 ms 5716 KB Output is correct
29 Correct 28 ms 5468 KB Output is correct
30 Correct 45 ms 5468 KB Output is correct
31 Correct 45 ms 5548 KB Output is correct
32 Correct 45 ms 5544 KB Output is correct
33 Correct 143 ms 5636 KB Output is correct
34 Correct 146 ms 5660 KB Output is correct
35 Correct 146 ms 5464 KB Output is correct

Subtask #2
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 46 ms 5460 KB Output is correct
3 Correct 45 ms 5468 KB Output is correct
4 Correct 47 ms 5436 KB Output is correct
5 Execution timed out 5019 ms 23472 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 144 ms 5544 KB Output is correct
3 Correct 145 ms 5468 KB Output is correct
4 Correct 150 ms 5644 KB Output is correct
5 Execution timed out 5054 ms 29512 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4952 KB Output is correct
2 Correct 1 ms 4956 KB Output is correct
3 Correct 1 ms 4952 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 29 ms 5488 KB Output is correct
6 Correct 45 ms 5444 KB Output is correct
7 Correct 24 ms 5212 KB Output is correct
8 Correct 46 ms 5468 KB Output is correct
9 Correct 46 ms 5560 KB Output is correct
10 Correct 46 ms 5468 KB Output is correct
11 Correct 48 ms 5464 KB Output is correct
12 Correct 48 ms 5468 KB Output is correct
13 Correct 222 ms 5636 KB Output is correct
14 Correct 227 ms 5644 KB Output is correct
15 Correct 123 ms 5464 KB Output is correct
16 Correct 114 ms 5468 KB Output is correct
17 Correct 94 ms 5580 KB Output is correct
18 Correct 125 ms 5596 KB Output is correct
19 Correct 18 ms 5468 KB Output is correct
20 Correct 17 ms 5468 KB Output is correct
21 Correct 18 ms 5544 KB Output is correct
22 Correct 18 ms 5720 KB Output is correct
23 Correct 83 ms 5408 KB Output is correct
24 Correct 96 ms 5464 KB Output is correct
25 Correct 80 ms 5468 KB Output is correct
26 Correct 25 ms 5464 KB Output is correct
27 Correct 25 ms 5468 KB Output is correct
28 Correct 28 ms 5716 KB Output is correct
29 Correct 28 ms 5468 KB Output is correct
30 Correct 45 ms 5468 KB Output is correct
31 Correct 45 ms 5548 KB Output is correct
32 Correct 45 ms 5544 KB Output is correct
33 Correct 143 ms 5636 KB Output is correct
34 Correct 146 ms 5660 KB Output is correct
35 Correct 146 ms 5464 KB Output is correct
36 Correct 1 ms 4952 KB Output is correct
37 Correct 46 ms 5460 KB Output is correct
38 Correct 45 ms 5468 KB Output is correct
39 Correct 47 ms 5436 KB Output is correct
40 Execution timed out 5019 ms 23472 KB Time limit exceeded
41 Halted 0 ms 0 KB -