Submission #791137

#	Time	Username	Problem	Language	Result	Execution time	Memory
791137		shoryu386	Bali Sculptures (APIO15_sculpture)	C++17	21 / 100	5 ms	9896 KiB

sculpture

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define MAX 107

int n, mingrp, maxgrp;
int arr[MAX], dp[MAX][MAX][MAX], psum[MAX];
#define fyou LLONG_MAX/5
inline int sumarr(int a, int b){
	int sum = psum[b]; if (a != 0) sum -= psum[a-1];
	return sum;
}

int recur(int idx, int prevCut, int grpCount){

	if (idx == n-1){
		
		grpCount++; 
		if (grpCount >= mingrp && grpCount <= maxgrp) return sumarr(prevCut, n-1);
		else return fyou;
	}

	if (dp[idx][prevCut][grpCount] != -1) return dp[idx][prevCut][grpCount];
	int ans = 0;
	
	//choose cut or no cut
	int a = recur(idx+1, prevCut, grpCount);
	int b = recur(idx+1, idx+1, grpCount+1);
	if (a == fyou && b == fyou) ans = a;
	else if (a == fyou) ans = b;
	else if (b == fyou) ans = a;
	else ans = min(a, b | sumarr(prevCut, idx));
	
	return dp[idx][prevCut][grpCount] = ans;
}

main(){
	cin >> n >> mingrp >> maxgrp;
	
	for (int x = 0; x < n; x++){
		cin >> arr[x];
	}
	
	psum[0] = arr[0]; for (int x = 1; x < n; x++) psum[x] = psum[x-1] + arr[x];
	
	memset(dp, -1, sizeof(dp));
	assert(recur(0, 0, 0) != fyou);
	cout << recur(0, 0, 0);
}

Compilation message (stderr)

sculpture.cpp:38:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   38 | main(){
      | ^~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 16
• Subtask 3: 21 / 21
• Subtask 4: 0 / 25
• Subtask 5: 0 / 29