답안 #676848

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
676848 2023-01-01T10:51:42 Z Ninja_Kunai 메기 농장 (IOI22_fish) C++17
9 / 100
96 ms 16556 KB
/**
*    Author :  Nguyen Tuan Vu
*    Created : 01.01.2023
**/

#pragma GCC optimize("O2")
#pragma GCC target("avx,avx2,fma")
#include<bits/stdc++.h>
#define MASK(x) ((1ll)<<(x))
#define BIT(x, i) (((x)>>(i))&(1))
#define ALL(v)  (v).begin(), (v).end()
#define REP(i, n)  for (int i = 0, _n = (n); i < _n; ++i)
#define FOR(i, a, b)  for (int i = (a), _b = (b); i <= _b; ++i) 
#define FORD(i, b, a)  for (int i = (b), _a = (a); i >= _a; --i)
#define db(val) "["#val" = "<<(val)<<"] "

template <class X, class Y> bool minimize(X &a, Y b) {
    if (a > b) return a = b, true;
    return false;
}
template <class X, class Y> bool maximize(X &a, Y b) {
    if (a < b) return a = b, true;
    return false;
}

using namespace std;

mt19937 jdg(chrono::steady_clock::now().time_since_epoch().count());
int Rand(int l, int r) {return l + jdg() % (r - l + 1);}

namespace sub1 {
	bool check(int m, vector <array <int, 3>> fishes) {
		REP(i, m) {
			if (fishes[i][0] & 1) return false;
		}

		return true;
	}

	long long solve(int m, vector <array <int, 3>> fishes) {
		//assert(1 == 0);
		long long ans = 0;
		REP(i, m) ans += fishes[i][2];
		return ans;
	}
}

namespace sub2 {
	bool check(int m, vector <array <int, 3>> fishes) {
		REP(i, m) if (fishes[i][0] > 1) return false;
		return true;
	}

	long long solve(int n, int m, vector <array <int, 3>> fishes) {
		//assert(1 == 0);
		if (n == 2) {
			long long ans[2] = {0};
			REP(i, m) ans[fishes[i][0]] += fishes[i][2];
			return max(ans[0], ans[1]);
		}

		vector <long long> sum[2];
		REP(i, 2) sum[i].resize(n + 7, 0);
		REP(i, m) sum[fishes[i][0]][fishes[i][1]] += fishes[i][2];
		FOR(i, 1, n - 1) REP(j, 2) sum[j][i] = sum[j][i - 1] + sum[j][i];
		long long ans = sum[1][n - 1];
		REP(i, n) maximize(ans, sum[0][i] + sum[1][n - 1] - sum[1][i]);
		return ans;
	}
}

long long max_weights(int n, int m, vector <int> X, vector <int> Y, vector <int> W) {
	vector <array <int, 3>> fishes;
	fishes.resize(m + 7);
	REP(i, m) fishes[i] = {X[i], Y[i], W[i]};

	if (sub1::check(m, fishes)) return sub1::solve(m, fishes);
	else if (sub2::check(m, fishes)) return sub2::solve(n, m, fishes);
	return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 5400 KB Output is correct
2 Correct 29 ms 6708 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 96 ms 16544 KB Output is correct
6 Correct 95 ms 16556 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 49 ms 12068 KB Output is correct
3 Correct 66 ms 14624 KB Output is correct
4 Correct 23 ms 5460 KB Output is correct
5 Correct 29 ms 6736 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 31 ms 6812 KB Output is correct
13 Correct 31 ms 8228 KB Output is correct
14 Correct 25 ms 6804 KB Output is correct
15 Correct 29 ms 7596 KB Output is correct
16 Correct 26 ms 6824 KB Output is correct
17 Correct 29 ms 7580 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 304 KB Output is correct
2 Incorrect 0 ms 304 KB 1st lines differ - on the 1st token, expected: '882019', found: '0'
3 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 304 KB Output is correct
2 Incorrect 0 ms 304 KB 1st lines differ - on the 1st token, expected: '882019', found: '0'
3 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 5400 KB Output is correct
2 Correct 29 ms 6708 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 96 ms 16544 KB Output is correct
6 Correct 95 ms 16556 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 49 ms 12068 KB Output is correct
9 Correct 66 ms 14624 KB Output is correct
10 Correct 23 ms 5460 KB Output is correct
11 Correct 29 ms 6736 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 31 ms 6812 KB Output is correct
19 Correct 31 ms 8228 KB Output is correct
20 Correct 25 ms 6804 KB Output is correct
21 Correct 29 ms 7596 KB Output is correct
22 Correct 26 ms 6824 KB Output is correct
23 Correct 29 ms 7580 KB Output is correct
24 Correct 0 ms 304 KB Output is correct
25 Incorrect 0 ms 304 KB 1st lines differ - on the 1st token, expected: '882019', found: '0'
26 Halted 0 ms 0 KB -