Submission #420346

# Submission time Handle Problem Language Result Execution time Memory
420346 2021-06-08T09:56:51 Z alishahali1382 Treatment Project (JOI20_treatment) C++17
35 / 100
3000 ms 3012 KB
#include <bits/stdc++.h>
#pragma GCC optimize("O2")
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef long double ld;
typedef pair<pii, int> piii;
#define debug(x) {cerr<<#x<<"="<<x<<"\n";}
#define debug2(x, y) {cerr<<"{"<<#x<<", "<<#y<<"}={"<<x<<", "<<y<<"}\n";}
#define debugp(p) {cerr<<#p<<"={"<<p.first<<" "<<p.second<<"}\n";}
#define debugv(abcd) {cerr<<#abcd<<": ";for (auto dcba:abcd) cerr<<dcba<<" ";cerr<<"\n";}
#define pb push_back
#define all(x) x.begin(), x.end()
#define kill(x) return cout<<x<<"\n", 0;
#define SZ(x) ((int)x.size())

const int inf=1000010000;
const ll INF=10000000000100000ll; // 1e16
const int mod=1000000007;
const int MAXN=100010;

int n, m, q, k, u, v, x, y, t;
int L[MAXN], R[MAXN], T[MAXN], C[MAXN];
int mark[MAXN];
ll dist[MAXN], ans=INF;
priority_queue<pll, vector<pll>, greater<pll>> pq;

inline bool upd(ll &x, ll y){
	if (x<=y) return 0;
	x=y;
	return 1;
}

int main(){
	ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	memset(dist, 63, sizeof(dist));
	cin>>n>>m;
	for (int i=1; i<=m; i++){
		cin>>T[i]>>L[i]>>R[i]>>C[i];
		L[i]--;
		if (!L[i]) pq.push({dist[i]=C[i], i}), mark[i]=1;
	}
	while (pq.size()){
		int v=pq.top().second;
		pq.pop();
		mark[v]=2;
		for (int i=1; i<=m; i++) if (!mark[i]){
			bool ok=0;
			if (T[i]<=T[v]){
				ok=(L[i]+(T[v]-T[i])<=R[v]);
			}
			else{
				ok=(L[i]<=R[v]-(T[i]-T[v]));
			}
			if (!ok) continue ;
			pq.push({dist[i]=dist[v]+C[i], i});
			mark[i]=1;
		}
	}
	for (int i=1; i<=m; i++) if (R[i]==n) upd(ans, dist[i]);
	if (ans>=INF) ans=-1;
	cout<<ans<<"\n";

	return 0;
}
/*
10 5
2 5 10 3
1 1 6 5
5 2 8 3
7 6 10 4
4 1 3 1

10 5
2 6 10 3
1 1 5 5
5 2 7 3
8 6 10 4
4 1 3 1

10 5
1 5 10 4
1 1 6 5
1 4 8 3
1 6 10 3
1 1 3 1


*/
# Verdict Execution time Memory Grader output
1 Execution timed out 3076 ms 3012 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1100 KB Output is correct
2 Correct 1 ms 1056 KB Output is correct
3 Correct 1 ms 1100 KB Output is correct
4 Correct 1 ms 1100 KB Output is correct
5 Correct 1 ms 1100 KB Output is correct
6 Correct 1 ms 1100 KB Output is correct
7 Correct 1 ms 1100 KB Output is correct
8 Correct 1 ms 1100 KB Output is correct
9 Correct 1 ms 1100 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 1 ms 1100 KB Output is correct
12 Correct 1 ms 1100 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 1 ms 1100 KB Output is correct
15 Correct 1 ms 1100 KB Output is correct
16 Correct 1 ms 1152 KB Output is correct
17 Correct 1 ms 1100 KB Output is correct
18 Correct 1 ms 1100 KB Output is correct
19 Correct 1 ms 1100 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 1100 KB Output is correct
2 Correct 1 ms 1056 KB Output is correct
3 Correct 1 ms 1100 KB Output is correct
4 Correct 1 ms 1100 KB Output is correct
5 Correct 1 ms 1100 KB Output is correct
6 Correct 1 ms 1100 KB Output is correct
7 Correct 1 ms 1100 KB Output is correct
8 Correct 1 ms 1100 KB Output is correct
9 Correct 1 ms 1100 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 1 ms 1100 KB Output is correct
12 Correct 1 ms 1100 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 1 ms 1100 KB Output is correct
15 Correct 1 ms 1100 KB Output is correct
16 Correct 1 ms 1152 KB Output is correct
17 Correct 1 ms 1100 KB Output is correct
18 Correct 1 ms 1100 KB Output is correct
19 Correct 1 ms 1100 KB Output is correct
20 Correct 64 ms 1252 KB Output is correct
21 Correct 53 ms 1260 KB Output is correct
22 Correct 83 ms 1200 KB Output is correct
23 Correct 76 ms 1192 KB Output is correct
24 Correct 28 ms 1228 KB Output is correct
25 Correct 60 ms 1100 KB Output is correct
26 Correct 34 ms 1100 KB Output is correct
27 Correct 50 ms 1100 KB Output is correct
28 Correct 35 ms 1228 KB Output is correct
29 Correct 53 ms 1100 KB Output is correct
30 Correct 4 ms 1100 KB Output is correct
31 Correct 4 ms 1100 KB Output is correct
32 Correct 25 ms 1420 KB Output is correct
33 Correct 25 ms 1432 KB Output is correct
34 Correct 119 ms 1220 KB Output is correct
35 Correct 20 ms 1356 KB Output is correct
36 Correct 24 ms 1416 KB Output is correct
37 Correct 110 ms 1220 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 3076 ms 3012 KB Time limit exceeded
2 Halted 0 ms 0 KB -