oj.uz

Submission #247154

# Submission time Handle Problem Language Result Execution time Memory
247154 2020-07-11T06:52:39 Z onjo0127 Treatment Project (JOI20_treatment) C++11
35 / 100
 284 ms 225508 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using pli = pair<ll, int>;
const ll INF = 1LL * 1e18;

inline int getc(vector<int> &V, int x) { return lower_bound(V.begin(), V.end(), x) - V.begin() + 1; }

ll D[100009];
deque<pii> PT[80009], QT[80009];
int T[100009], L[100009], R[100009], C[100009];
bool chk[100009];

void updP(int idx, int s, int e, int l, int r, int id) {
	if(r < s || e < l) return;
	if(l <= s && e <= r) {
		PT[idx].push_back({T[id], id});
		return;
	}
	int m = s+e >> 1;
	updP(idx*2, s, m, l, r, id);
	updP(idx*2+1, m+1, e, l, r, id);
}

void updQ(int idx, int s, int e, int l, int r, int id) {
	if(r < s || e < l) return;
	if(l <= s && e <= r) {
		QT[idx].push_back({T[id], id});
		return;
	}
	int m = s+e >> 1;
	updQ(idx*2, s, m, l, r, id);
	updQ(idx*2+1, m+1, e, l, r, id);
}

void getP(ll pc, priority_queue<pli> &pq, int idx, int s, int e, int p, int t) {
	if(p < s || e < p) return;
	while(PT[idx].size()) {
		int ti, id; tie(ti, id) = PT[idx].back();
		if(ti < t) break;
		PT[idx].pop_back();
		if(chk[id]) continue;
		chk[id] = 1;
		pq.push({-(pc + C[id]), id});
	}
	if(s == e) return;
	int m = s+e >> 1;
	getP(pc, pq, idx*2, s, m, p, t);
	getP(pc, pq, idx*2+1, m+1, e, p, t);
}

void getQ(ll pc, priority_queue<pli> &pq, int idx, int s, int e, int p, int t) {
	if(p < s || e < p) return;
	while(QT[idx].size()) {
		int ti, id; tie(ti, id) = QT[idx].front();
		if(ti > t) break;
		QT[idx].pop_front();
		if(chk[id]) continue;
		chk[id] = 1;
		pq.push({-(pc + C[id]), id});
	}
	if(s == e) return;
	int m = s+e >> 1;
	getQ(pc, pq, idx*2, s, m, p, t);
	getQ(pc, pq, idx*2+1, m+1, e, p, t);
}

int main() {
	vector<int> PV, QV;
	priority_queue<pli> pq;
	int N, M; scanf("%d%d",&N,&M);
	for(int i=1; i<=M; i++) {
		scanf("%d%d%d%d", &T[i], &L[i], &R[i], &C[i]); --L[i];
		if(L[i] == 0) {
			pq.push({-C[i], i});
			chk[i] = 1;
		}
		PV.push_back(L[i] + T[i]);
		PV.push_back(R[i] + T[i]);
		QV.push_back(L[i] - T[i]);
		QV.push_back(R[i] - T[i]);
	}
	sort(PV.begin(), PV.end()); PV.resize(unique(PV.begin(), PV.end()) - PV.begin());
	sort(QV.begin(), QV.end()); QV.resize(unique(QV.begin(), QV.end()) - QV.begin());
	int PM = PV.size(), QM = QV.size();
	for(int i=1; i<=M; i++) {
		int pl = getc(PV, L[i] + T[i]), pr = getc(PV, R[i] + T[i]);
		updP(1, 1, PM, pl, pr, i);
		int ql = getc(QV, L[i] - T[i]), qr = getc(QV, R[i] - T[i]);
		updQ(1, 1, QM, ql, qr, i);
	}
	for(int i=1; i<=4*PM; i++) sort(PT[i].begin(), PT[i].end());
	for(int i=1; i<=4*QM; i++) sort(QT[i].begin(), QT[i].end());
	memset(D, -1, sizeof(D));
	while(pq.size()) {
		ll c; int x; tie(c, x) = pq.top(); pq.pop(); c = -c;
		D[x] = c;
		getP(c, pq, 1, 1, PM, getc(PV, R[x] + T[x]), T[x]);
		getQ(c, pq, 1, 1, QM, getc(QV, R[x] - T[x]), T[x]);
	}
	ll ans = INF;
	for(int i=1; i<=M; i++) if(R[i] == N && D[i] != -1) ans = min(ans, D[i]);
	if(ans != INF) printf("%lld", ans);
	else puts("-1");
	return 0;
}

Compilation message

treatment.cpp: In function 'void updP(int, int, int, int, int, int)':
treatment.cpp:21:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int m = s+e >> 1;
          ~^~
treatment.cpp: In function 'void updQ(int, int, int, int, int, int)':
treatment.cpp:32:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int m = s+e >> 1;
          ~^~
treatment.cpp: In function 'void getP(ll, std::priority_queue<std::pair<long long int, int> >&, int, int, int, int, int)':
treatment.cpp:48:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int m = s+e >> 1;
          ~^~
treatment.cpp: In function 'void getQ(ll, std::priority_queue<std::pair<long long int, int> >&, int, int, int, int, int)':
treatment.cpp:64:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int m = s+e >> 1;
          ~^~
treatment.cpp: In function 'int main()':
treatment.cpp:72:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  int N, M; scanf("%d%d",&N,&M);
            ~~~~~^~~~~~~~~~~~~~
treatment.cpp:74:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d%d", &T[i], &L[i], &R[i], &C[i]); --L[i];
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Runtime error 284 ms 225508 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 108920 KB Output is correct
2 Correct 81 ms 108792 KB Output is correct
3 Correct 91 ms 108916 KB Output is correct
4 Correct 85 ms 108792 KB Output is correct
5 Correct 89 ms 108920 KB Output is correct
6 Correct 114 ms 108920 KB Output is correct
7 Correct 86 ms 108792 KB Output is correct
8 Correct 81 ms 108920 KB Output is correct
9 Correct 80 ms 108920 KB Output is correct
10 Correct 81 ms 108796 KB Output is correct
11 Correct 79 ms 108792 KB Output is correct
12 Correct 78 ms 108920 KB Output is correct
13 Correct 82 ms 108792 KB Output is correct
14 Correct 78 ms 108920 KB Output is correct
15 Correct 80 ms 108792 KB Output is correct
16 Correct 80 ms 108920 KB Output is correct
17 Correct 79 ms 108796 KB Output is correct
18 Correct 77 ms 108792 KB Output is correct
19 Correct 82 ms 108792 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 80 ms 108920 KB Output is correct
2 Correct 81 ms 108792 KB Output is correct
3 Correct 91 ms 108916 KB Output is correct
4 Correct 85 ms 108792 KB Output is correct
5 Correct 89 ms 108920 KB Output is correct
6 Correct 114 ms 108920 KB Output is correct
7 Correct 86 ms 108792 KB Output is correct
8 Correct 81 ms 108920 KB Output is correct
9 Correct 80 ms 108920 KB Output is correct
10 Correct 81 ms 108796 KB Output is correct
11 Correct 79 ms 108792 KB Output is correct
12 Correct 78 ms 108920 KB Output is correct
13 Correct 82 ms 108792 KB Output is correct
14 Correct 78 ms 108920 KB Output is correct
15 Correct 80 ms 108792 KB Output is correct
16 Correct 80 ms 108920 KB Output is correct
17 Correct 79 ms 108796 KB Output is correct
18 Correct 77 ms 108792 KB Output is correct
19 Correct 82 ms 108792 KB Output is correct
20 Correct 108 ms 109304 KB Output is correct
21 Correct 110 ms 109564 KB Output is correct
22 Correct 100 ms 109304 KB Output is correct
23 Correct 99 ms 109304 KB Output is correct
24 Correct 108 ms 109432 KB Output is correct
25 Correct 101 ms 109304 KB Output is correct
26 Correct 95 ms 109304 KB Output is correct
27 Correct 95 ms 109304 KB Output is correct
28 Correct 112 ms 109560 KB Output is correct
29 Correct 101 ms 109304 KB Output is correct
30 Correct 93 ms 109384 KB Output is correct
31 Correct 88 ms 109332 KB Output is correct
32 Correct 114 ms 109720 KB Output is correct
33 Correct 112 ms 109692 KB Output is correct
34 Correct 101 ms 109304 KB Output is correct
35 Correct 111 ms 109688 KB Output is correct
36 Correct 116 ms 109560 KB Output is correct
37 Correct 102 ms 109304 KB Output is correct

Subtask #4
0 / 61.0

# Verdict Execution time Memory Grader output
1 Runtime error 284 ms 225508 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -