답안 #1074066

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1074066	2024-08-25T07:32:33 Z	Gromp15	메기 농장 (IOI22_fish)	C++17	26 / 100	1000 ms	2097152 KB

fish

#include <bits/stdc++.h>
#include "fish.h"
#define ll long long
#define ar array
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
using namespace std;

const ll INF = 1e18;
template<typename T> bool ckmin(T &a, const T &b ) { return a > b ? a = b, 1 : 0; }
template<typename T> bool ckmax(T &a, const T &b ) { return a < b ? a = b, 1 : 0; }

long long max_weights(int n, int m, std::vector<int> x, std::vector<int> y, std::vector<int> w) {
	vector<vector<ar<ll, 2>>> each(n);
	for (int i = 0; i < m; i++) {
		each[x[i]].push_back({y[i], w[i]});
		each[x[i]].push_back({y[i]-1, 0});
	}
	for (int i = 0; i < n; i++) each[i].push_back({n-1, 0}), each[i].push_back({-1, 0});
	for (int i = 0; i < n; i++) {
		sort(all(each[i]));
		vector<ar<ll, 2>> nw;
		ll s = 0;
		for (int j = 0; j < sz(each[i]); j++) {
			int r = j;
			while (r+1 < sz(each[i]) && each[i][r+1][0] == each[i][r][0]) r++;
			for (int k = j; k <= r; k++) s += each[i][k][1];
			nw.push_back({each[i][j][0], s});
			j = r;
		}
		swap(each[i], nw);
	}
	vector<vector<ll>> dp;
	auto query = [&](int pos, int x) {
		return (*prev(upper_bound(all(each[pos]), ar<ll, 2>{x, LLONG_MAX})))[1];
	};
	for (int i = 0; i < n; i++) {
		vector<vector<ll>> dp2;
		const int N = sz(each[i]);
		dp2.resize(i ? sz(each[i-1]) : 1, vector<ll>(N, -INF));
		if (!i) {
			for (int j = 0; j < N; j++) {
				dp2[0][j] = query(i+1, each[i][j][0]);
			}
			swap(dp, dp2);
		}
		else {
			for (int j = 0; j < sz(dp); j++) {
				for (int k = 0; k < sz(dp[j]); k++) {
					for (int l = 0; l < N; l++) {
						ckmax(dp2[k][l], dp[j][k] + query(i-1, each[i][l][0]) + (i+1 < n ? query(i+1, each[i][l][0]) : 0) - query(i-1, min(i-2 >= 0 ? each[i-2][j][0] : -1, each[i][l][0])) - query(i-1, min(each[i-1][k][0], each[i][l][0])) - query(i, min(each[i-1][k][0], each[i][l][0])));
					}
				}
			}
			swap(dp, dp2);
		}
	}
	ll ans = -INF;
	for (auto x : dp) for (auto z : x) ckmax(ans, z);
	return ans;
}

Subtask #1
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	97 ms	16872 KB	Output is correct
2	Correct	110 ms	19312 KB	Output is correct
3	Correct	37 ms	7260 KB	Output is correct
4	Correct	40 ms	7260 KB	Output is correct
5	Correct	399 ms	33900 KB	Output is correct
6	Correct	779 ms	34532 KB	Output is correct

Subtask #2
0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Runtime error	960 ms	2097152 KB	Execution killed with signal 9
3	Halted	0 ms	0 KB	-

Subtask #3
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	36 ms	7260 KB	Output is correct
2	Correct	38 ms	7260 KB	Output is correct
3	Correct	90 ms	11100 KB	Output is correct
4	Correct	70 ms	10076 KB	Output is correct
5	Correct	126 ms	15696 KB	Output is correct
6	Correct	129 ms	14932 KB	Output is correct
7	Correct	140 ms	15936 KB	Output is correct
8	Correct	140 ms	15696 KB	Output is correct

Subtask #4
14.0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	2 ms	344 KB	Output is correct
10	Correct	12 ms	720 KB	Output is correct
11	Correct	5 ms	440 KB	Output is correct
12	Correct	13 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	3 ms	348 KB	Output is correct

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	2 ms	344 KB	Output is correct
10	Correct	12 ms	720 KB	Output is correct
11	Correct	5 ms	440 KB	Output is correct
12	Correct	13 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	3 ms	348 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	868 ms	960 KB	Output is correct
17	Execution timed out	1063 ms	5212 KB	Time limit exceeded
18	Halted	0 ms	0 KB	-

Subtask #6
0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	1 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	2 ms	344 KB	Output is correct
10	Correct	12 ms	720 KB	Output is correct
11	Correct	5 ms	440 KB	Output is correct
12	Correct	13 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	3 ms	348 KB	Output is correct
15	Correct	1 ms	344 KB	Output is correct
16	Correct	868 ms	960 KB	Output is correct
17	Execution timed out	1063 ms	5212 KB	Time limit exceeded
18	Halted	0 ms	0 KB	-

Subtask #7
0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Correct	36 ms	7260 KB	Output is correct
2	Correct	38 ms	7260 KB	Output is correct
3	Correct	90 ms	11100 KB	Output is correct
4	Correct	70 ms	10076 KB	Output is correct
5	Correct	126 ms	15696 KB	Output is correct
6	Correct	129 ms	14932 KB	Output is correct
7	Correct	140 ms	15936 KB	Output is correct
8	Correct	140 ms	15696 KB	Output is correct
9	Correct	259 ms	15528 KB	Output is correct
10	Incorrect	141 ms	13656 KB	1st lines differ - on the 1st token, expected: '36454348383152', found: '36452622569448'
11	Halted	0 ms	0 KB	-

Subtask #8
0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	97 ms	16872 KB	Output is correct
2	Correct	110 ms	19312 KB	Output is correct
3	Correct	37 ms	7260 KB	Output is correct
4	Correct	40 ms	7260 KB	Output is correct
5	Correct	399 ms	33900 KB	Output is correct
6	Correct	779 ms	34532 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Runtime error	960 ms	2097152 KB	Execution killed with signal 9
9	Halted	0 ms	0 KB	-

답안 #1074066

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