Submission #528785

# Submission time Handle Problem Language Result Execution time Memory
528785 2022-02-21T13:09:27 Z fhvirus Two Dishes (JOI19_dishes) C++17
3 / 100
136 ms 13224 KB
// Knapsack DP is harder than FFT.
#include<bits/stdc++.h>
using namespace std;
typedef long long ll; typedef pair<int,int> pii;
#define ff first
#define ss second
#define pb emplace_back
#define AI(x) begin(x),end(x)
#ifdef OWO
#define debug(args...) SDF(#args, args)
#define OIU(args...) ostream& operator<<(ostream&O,args)
#define LKJ(S,B,E,F) template<class...T>OIU(S<T...>s){O<<B;int c=0;for(auto i:s)O<<(c++?", ":"")<<F;return O<<E;}
LKJ(vector,'[',']',i)LKJ(deque,'[',']',i)LKJ(set,'{','}',i)LKJ(multiset,'{','}',i)LKJ(unordered_set,'{','}',i)LKJ(map,'{','}',i.ff<<':'<<i.ss)LKJ(unordered_map,'{','}',i.ff<<':'<<i.ss)
template<class...T>void SDF(const char* s,T...a){int c=sizeof...(T);if(!c){cerr<<"\033[1;32mvoid\033[0m\n";return;}(cerr<<"\033[1;32m("<<s<<") = (",...,(cerr<<a<<(--c?", ":")\033[0m\n")));}
template<class T,size_t N>OIU(array<T,N>a){return O<<vector<T>(AI(a));}template<class...T>OIU(pair<T...>p){return O<<'('<<p.ff<<','<<p.ss<<')';}template<class...T>OIU(tuple<T...>t){return O<<'(',apply([&O](T...s){int c=0;(...,(O<<(c++?", ":"")<<s));},t),O<<')';}
#else
#define debug(...) ((void)0)
#endif

signed main() {
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

	int N, M; cin >> N >> M;
	vector<int> A(N + 1), P(N + 1);
	vector<int64_t> S(N + 1);
	for (int i = 1; i <= N; ++i)
		cin >> A[i] >> S[i] >> P[i];
	vector<int> B(M + 1), Q(M + 1);
	vector<int64_t> T(M + 1);
	for (int i = 1; i <= M; ++i)
		cin >> B[i] >> T[i] >> Q[i];

	assert(N <= 5000 and M <= 5000);

	vector<int64_t> preA(N + 1, 0);
	for (int i = 1; i <= N; ++i)
		preA[i] = preA[i - 1] + A[i];

	vector<int64_t> preB(M + 1, 0);
	for (int i = 1; i <= M; ++i)
		preB[i] = preB[i - 1] + B[i];

	vector<int64_t> boundP(N + 1, 0);
	for (int i = 1; i <= N; ++i)
		boundP[i] = (upper_bound(AI(preB), S[i] - preA[i]) - begin(preB)) - 1;

	vector<int64_t> boundQ(M + 1, 0);
	for (int i = 1; i <= M; ++i)
		boundQ[i] = (upper_bound(AI(preA), T[i] - preB[i]) - begin(preA)) - 1;

	vector<int64_t> dp_diff(M + 1, LLONG_MIN);
	for (int j = 0; j <= M; ++j)
		dp_diff[j] = (0 <= boundQ[j] ? Q[j] : 0);

	for (int i = 1; i <= N; ++i) {
		dp_diff[0] += P[i];
		dp_diff[boundP[i] + 1] -= P[i];
		for (int j = 0; j <= M; ++j) {
			int64_t v = (i <= boundQ[j] ? Q[j] : 0);
			if (dp_diff[j] < v) {
				int64_t d = v - dp_diff[j];
				dp_diff[j] += d;
				if (j < M) dp_diff[j + 1] -= d;
			}
		}
	}

	cout << accumulate(AI(dp_diff), 0ll) << '\n';

	return 0;
}
# Verdict Execution time Memory Grader output
1 Runtime error 136 ms 13224 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 0 ms 308 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 0 ms 308 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 12 ms 540 KB Output is correct
18 Correct 7 ms 452 KB Output is correct
19 Correct 14 ms 556 KB Output is correct
20 Correct 14 ms 536 KB Output is correct
21 Runtime error 11 ms 844 KB Execution killed with signal 6
22 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 0 ms 308 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 12 ms 540 KB Output is correct
18 Correct 7 ms 452 KB Output is correct
19 Correct 14 ms 556 KB Output is correct
20 Correct 14 ms 536 KB Output is correct
21 Runtime error 11 ms 844 KB Execution killed with signal 6
22 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 0 ms 308 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 12 ms 540 KB Output is correct
18 Correct 7 ms 452 KB Output is correct
19 Correct 14 ms 556 KB Output is correct
20 Correct 14 ms 536 KB Output is correct
21 Runtime error 11 ms 844 KB Execution killed with signal 6
22 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 1 ms 208 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 0 ms 308 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 12 ms 540 KB Output is correct
18 Correct 7 ms 452 KB Output is correct
19 Correct 14 ms 556 KB Output is correct
20 Correct 14 ms 536 KB Output is correct
21 Runtime error 11 ms 844 KB Execution killed with signal 6
22 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 136 ms 13224 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 136 ms 13224 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -