Submission #842244

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
842244	2023-09-02 16:00:25	WongChun1234	Soccer Stadium (IOI23_soccer)	C++17	Compilation error	0 ms	0 KiB

soccer

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#include "soccer.h"
#include<bits/stdc++.h>
using namespace std;
const int N=550;
int n,psum[N][N],l[N][N],r[N][N],currl[N][N],currr[N][N],dp[N][N],ans;
vector<vector<int>> f;
int get(int _x1,int _y1,int _x2,int _y2){
    if (_x1>_x2) swap(_x1,_x2);
    if (_y1>_y2) swap(_y1,_y2);
    return psum[_x2][_y2]-psum[_x1-1][_y2]-psum[_x2][_y1-1]+psum[_x1-1][_y1+1];
}
int biggest_stadium(int N, vector<vector<int>> F) {
    n=N;
    f=F;
    for (int i=1;i<=n;i++) for (int j=1;j<=n;j++){
        psum[i][j]=psum[i-1][j]+psum[i][j-1]+F[i-1][j-1]-psum[i-1][j-1];
    }
    //l: first block r: last space
    for (int i=1;i<=n;i++){
        l[i][0]=0;
        for (int j=1;j<=n;j++) l[i][j]=(F[i-1][j-1]?j:l[i][j-1]);
        r[i][n+1]=n;
        for (int j=n;j>=1;j--) r[i][j](F[i-1][j-1]?j-1:r[i][j+1]);
    }
    for (int y=1;y<=n;y++){
        for (int i=1;i<=n;i++) currl[i][i]=l[i][y],currr[i][i]=r[i][y];
        for (int i=n;i>=1;i--) for (int j=i+1;j<=n;j++){
            currl[i][j]=max(currl[i+1][j],currl[i][j-1]);
            currr[i][j]=min(currr[i+1][j],currr[i][j-1]);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

soccer.cpp: In function 'int biggest_stadium(int, std::vector<std::vector<int> >)':
soccer.cpp:24:65: error: expression cannot be used as a function
   24 |         for (int j=n;j>=1;j--) r[i][j](F[i-1][j-1]?j-1:r[i][j+1]);
      |                                                                 ^