Submission #18587

#	Time	Username	Problem	Language	Result	Execution time	Memory
18587		eaststar	일도양단! (kriii1_1)	C++14	0 / 1	17 ms	16384 KiB

1

#include <stdio.h>
#include <algorithm>
using namespace std;
int a[8][8][8],b[8][8][8][8][8][8];
int sum(int i,int j,int k,int x,int y,int z){return a[i][j][k]-a[x][j][k]-a[i][y][k]-a[i][j][z]+a[x][y][k]+a[i][y][z]+a[x][j][z]-a[x][y][z];}
int f(int sr,int er,int sc,int ec,int sh,int eh){
    int i,s,t,mx=0;
    if(b[sr][er][sc][ec][sh][eh])return b[sr][er][sc][ec][sh][eh];
    s=sum(er,ec,eh,sr-1,sc-1,sh-1);
    if(!s)return 0;
    if(s==1)return (er-sr+1)*(ec-sc+1)*(eh-sh+1);
    for(i=sr;i<er;++i)mx=max(mx,min(f(sr,i,sc,ec,sh,eh),f(i+1,er,sc,ec,sh,eh)));
    for(i=sc;i<ec;++i)mx=max(mx,min(f(sr,er,sc,i,sh,eh),f(sr,er,i+1,ec,sh,eh)));
    for(i=sh;i<eh;++i)mx=max(mx,min(f(sr,er,sc,ec,sh,i),f(sr,er,sc,ec,sh,i+1)));
    return b[sr][er][sc][ec][sh][eh]=mx;
}
int main(){
    int i,j,k,r,c,h,n,x,y,z;
    scanf("%d%d%d%d",&r,&c,&h,&n);
    for(i=1;i<=n;++i)scanf("%d%d%d",&x,&y,&z),a[x][y][z]=1;
    for(i=1;i<=r;++i){
        for(j=1;j<=c;++j){
            for(k=1;k<=h;++k)a[i][j][k]-=sum(i,j,k,i-1,j-1,k-1)-a[i][j][k];
        }
    }
    printf("%d",f(1,r,1,c,1,h));
    return 0;
}

• Subtask 1: 0 / 1