Submission #767153

# Submission time Handle Problem Language Result Execution time Memory
767153 2023-06-26T12:49:44 Z LucaIlie Homecoming (BOI18_homecoming) C++17
Compilation error
0 ms 0 KB
#include <bits/stdc++.h>#include "homecoming.h" using namespace std; const long long INF = 1e16;const int MAX_N = 4e6 + 1; deque<int> maxVal;long long sumB[MAX_N], dp[MAX_N], val[MAX_N]; void add( int i ) {    while ( !maxVal.empty() && val[i] > val[maxVal.back()] )        maxVal.pop_back();    maxVal.push_back( i );} void rem( int i ) {    if ( !maxVal.empty() && maxVal.front() == i )        maxVal.pop_front();} long long getVal( int i ) {    if ( maxVal.front() == 0 )        return dp[0];    return dp[maxVal.front()] - (sumB[i + 1] - sumB[maxVal.front()]);} long long solve( int n, int k, int a[], int b[] ) {    long long ans = 0;     for ( int i = n; i <= n + k; i++ )        sumB[i] = 0;    for ( int i = n - 1; i >= 0; i-- )        sumB[i] = sumB[i + 1] + b[i];     for ( int take = 0; take <= 1; take++ ) {        if ( !take ) {            long long s = 0;            for ( int i = 0; i <= k; i++ ) {                dp[n + i] = -s;                s += b[i];            }        } else {            for ( int i = 0; i <= k; i++ )                dp[n + i] = 0;        }         maxVal.clear();        for ( int i = n + k - 1; i >= n; i-- ) {            val[i] = dp[i] + sumB[i - 1];            add( i );        }          long long maxA = dp[n + k];        for ( int i = n - 1; i >= 0; i-- ) {            dp[i] = -INF;            if ( i >= k * take ) {                dp[i] = max( getVal( i ), maxA );                val[i] = dp[i] + sumB[i];                add( i );            }             rem( i + k );            maxA = max( maxA, dp[i + k] - (sumB[i + 1] - sumB[i + k]) );            maxA = maxA - b[i] + a[i];        }         ans = max( ans, getVal( -1 ) );        ans = max( ans, maxA );    }     return ans;}

Compilation message

homecoming.cpp:1:25: warning: extra tokens at end of #include directive
    1 | #include <bits/stdc++.h>#include "homecoming.h" using namespace std; const long long INF = 1e16;const int MAX_N = 4e6 + 1; deque<int> maxVal;long long sumB[MAX_N], dp[MAX_N], val[MAX_N]; void add( int i ) {    while ( !maxVal.empty() && val[i] > val[maxVal.back()] )        maxVal.pop_back();    maxVal.push_back( i );} void rem( int i ) {    if ( !maxVal.empty() && maxVal.front() == i )        maxVal.pop_front();} long long getVal( int i ) {    if ( maxVal.front() == 0 )        return dp[0];    return dp[maxVal.front()] - (sumB[i + 1] - sumB[maxVal.front()]);} long long solve( int n, int k, int a[], int b[] ) {    long long ans = 0;     for ( int i = n; i <= n + k; i++ )        sumB[i] = 0;    for ( int i = n - 1; i >= 0; i-- )        sumB[i] = sumB[i + 1] + b[i];     for ( int take = 0; take <= 1; take++ ) {        if ( !take ) {            long long s = 0;            for ( int i = 0; i <= k; i++ ) {                dp[n + i] = -s;                s += b[i];            }        } else {            for ( int i = 0; i <= k; i++ )                dp[n + i] = 0;        }         maxVal.clear();        for ( int i = n + k - 1; i >= n; i-- ) {            val[i] = dp[i] + sumB[i - 1];            add( i );        }          long long maxA = dp[n + k];        for ( int i = n - 1; i >= 0; i-- ) {            dp[i] = -INF;            if ( i >= k * take ) {                dp[i] = max( getVal( i ), maxA );                val[i] = dp[i] + sumB[i];                add( i );            }             rem( i + k );            maxA = max( maxA, dp[i + k] - (sumB[i + 1] - sumB[i + k]) );            maxA = maxA - b[i] + a[i];        }         ans = max( ans, getVal( -1 ) );        ans = max( ans, maxA );    }     return ans;}
      |                         ^
/usr/bin/ld: /tmp/ccsiTzQV.o: in function `main':
grader.cpp:(.text.startup+0xdf): undefined reference to `solve(int, int, int*, int*)'
collect2: error: ld returned 1 exit status