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Submission #128278

# Submission time Handle Problem Language Result Execution time Memory
128278 2019-07-10T15:52:35 Z zeyad49 Boxes with souvenirs (IOI15_boxes) C++17
10 / 100
 1399 ms 4472 KB 
#include <bits/stdc++.h>
using namespace std;
const int N=1000;
const long long INF=(long)1e18;
int K,L;
int memo[N][N];
int teams[N];
long long dist[N][N];
long long dp(int l,int r) {
		if(l>r)
			return 0;
		if(memo[l][r]!=-1)
		    return memo[l][r];
		long long ans=L;
		
		for(int k=l;k<=r;k++){
          if(k-l+1>K) break;
		    ans=min(ans,2*teams[k]+dp(k+1,r));
		}
		for(int k=r;k>=l;k--){
          if(r-k+1>K)
            break;
		    ans=min(ans,2*(L-teams[k])+dp(l,k-1));
		}
		return memo[l][r]=ans;
	}
	long long delivery(int a, int b, int c, int x[]) {
		K=b;
		L=c;
		sort(x,x+a);
		for(int i=0;i<a;i++){
		    teams[i]=x[i];
        for(int j=0;j<a;j++)
		        memo[i][j]=-1;
		}
	
		return dp(0,a-1);
	}

Compilation message

boxes.cpp: In function 'long long int dp(int, int)':
boxes.cpp:25:21: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
   return memo[l][r]=ans;
                     ^~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Incorrect 13 ms 4344 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1360 ms 4344 KB Output is correct
2 Correct 1366 ms 4372 KB Output is correct
3 Correct 1399 ms 4444 KB Output is correct
4 Correct 1393 ms 4444 KB Output is correct
5 Correct 1377 ms 4460 KB Output is correct
6 Correct 1391 ms 4472 KB Output is correct
7 Correct 1396 ms 4472 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Incorrect 2 ms 376 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Incorrect 13 ms 4344 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Incorrect 13 ms 4344 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Incorrect 13 ms 4344 KB Output isn't correct
3 Halted 0 ms 0 KB -