Submission #129805

#	Time	Username	Problem	Language	Result	Execution time	Memory
129805		DodgeBallMan	Boxes with souvenirs (IOI15_boxes)	C++14	0 / 100	2 ms	376 KiB

boxes

#include <bits/stdc++.h>
#include "boxes.h"

using namespace std;

const int N = 1e6 + 10;
long long ans, dpr[N], dpl[N];
int n, k, l, p[N];

long long delivery( int N, int K, int L, int P[] ) {
    n = n, k = k, l = l;
    for( int i = 1 ; i <= n ; i++ ) p[i] = P[i-1];
    for( int i = 1 ; i <= n ; i++ ) dpr[i] = p[i] * 2 + dpr[max( 0, i - k )];
    for( int i = n ; i >= 1 ; i-- ) dpl[i] = ( l - p[i] ) * 2 + dpl[min( l + 1, i + k )];
    //for( int i = 1 ; i <= n ; i++ ) dpr[i] += dp[max( 0, i - k )];
    //for( int i = n ; i >= 1 ; i-- ) dpl[i] += dp[min( l+1, i + k )];
    for( int i = 0 ; i <= n ; i++ ) ans = min( ans, dpr[i] + dpl[i+1] );
    return ans;
}

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:10:50: warning: declaration of 'N' shadows a global declaration [-Wshadow]
 long long delivery( int N, int K, int L, int P[] ) {
                                                  ^
boxes.cpp:6:11: note: shadowed declaration is here
 const int N = 1e6 + 10;
           ^
boxes.cpp:10:25: warning: unused parameter 'N' [-Wunused-parameter]
 long long delivery( int N, int K, int L, int P[] ) {
                         ^
boxes.cpp:10:32: warning: unused parameter 'K' [-Wunused-parameter]
 long long delivery( int N, int K, int L, int P[] ) {
                                ^
boxes.cpp:10:39: warning: unused parameter 'L' [-Wunused-parameter]
 long long delivery( int N, int K, int L, int P[] ) {
                                       ^

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30