Submission #226373

#	Time	Username	Problem	Language	Result	Execution time	Memory
226373		DodgeBallMan	Lightning Conductor (POI11_pio)	C++14	100 / 100	154 ms	15992 KiB

pio

#include <bits/stdc++.h>

using namespace std;

const int N = 5e5 + 10;
int n, mx = -1, h[N], mxl[N], mxr[N];
int main()
{
    scanf("%d",&n);
    for( int i = 1 ; i <= n ; i++ ) scanf("%d",&h[i]);
    for( int i = 1 ; i <= n ; i++ ) {
        mxl[i] = max( mxl[i], h[i] );
        if( h[i] <= mx ) continue ;
        mx = max( mx, h[i] );
        for( int d = 0 ; i + d*d + 1 <= n ; d++ ) {
            int pos = i + d*d + 1;
            mxl[pos] = max( mxl[pos], h[i] + d + 1 );
        }
    }
    mx = -1;
    for( int i = n ; i >= 1 ; i-- ) {
        mxr[i] = max( mxr[i], h[i] );
        if( h[i] <= mx ) continue ;
        mx = max( mx, h[i] );
        for( int d = 0; i - d*d - 1 > 0 ; d++ ) {
            int pos = i - d*d - 1;
            mxr[pos] = max( mxr[pos], h[i] + d + 1 );
        }
    }
    for( int i = 1 ; i <= n ; i++ ) mxl[i] = max( mxl[i], mxl[i-1] );
    for( int i = n ; i >= 1 ; i-- ) mxr[i] = max( mxr[i], mxr[i+1] );
    for( int i = 1 ; i <= n ; i++ ) printf("%d\n",max( mxl[i], mxr[i] ) - h[i] );
    return 0;
}

Compilation message (stderr)

pio.cpp: In function 'int main()':
pio.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
pio.cpp:10:42: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for( int i = 1 ; i <= n ; i++ ) scanf("%d",&h[i]);
                                     ~~~~~^~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 9 / 9
• Subtask 5: 9 / 9
• Subtask 6: 9 / 9
• Subtask 7: 9 / 9
• Subtask 8: 9 / 9
• Subtask 9: 9 / 9
• Subtask 10: 9 / 9
• Subtask 11: 10 / 10