제출 #173763

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
173763		tourist	K개의 묶음 (IZhO14_blocks)	C++14	0 / 100	4 ms	380 KiB

blocks

#include <iostream>
#include <vector>

using namespace std;

#define ll long long
#define sz(x) (int)x.size()
#define pii pair < int, int >
#define endl "\n"
#define METH ios::sync_with_stdio(0); cin.tie(0);
#define BEGIN cout << "BEGIN" << endl;
#define END cout << "END" << endl;

const int N = 109;
const int mod = 1e9 + 7;															/// ANOTHER HASH MOD: 228228227
const int prime = 29;																	/// ANOTHER HASH PRIME: 997
const int INF = ((long long) 0xCAFEBABE - 1e9 - 4e8);

int n, k, mx[N][N];
int a[N], ans, dp[N][N];

inline int read() {
	scanf("%d %d", &n, &k);
	for (int i = 1; i <= n; i++) {
		scanf("%d", &a[i]);
	}
	return 0;
}

void calc(int l, int k, int sum) {
	if (dp[l][k]) {
		return;
	}
	if (k == 1) {
		ans = min(ans, mx[l][n] + sum);
		return;
	}
	dp[l][k] = 1;
	for (int i = l; i <= n - k + 1; i++) {
		calc(i + 1, k - 1, sum + mx[l][i]);
	}
}

inline int solve() {
	ans = INF;
	for (int i = 1; i <= n; i++) {
		for (int j = i; j <= n; j++) {
			mx[i][j] = max(mx[i][j - 1], a[j]);
		}
	}
	calc(1, k, 0);
	cout << ans << endl;
	return 0;
}

int main() {
	int t = 1;
	while (t--) {
		read();
		if (n >= N) {
			cout << "FUCK YOU" << endl;
			return 0;
		}
		solve();
	}
}

컴파일 시 표준 에러 (stderr) 메시지

blocks.cpp: In function 'int read()':
blocks.cpp:23:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &k);
  ~~~~~^~~~~~~~~~~~~~~~~
blocks.cpp:25:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
   ~~~~~^~~~~~~~~~~~~

• Subtask 1: 0 / 14
• Subtask 2: 0 / 18
• Subtask 3: 0 / 21
• Subtask 4: 0 / 47