Submission #13154

# Submission time Handle Problem Language Result Execution time Memory
13154 2015-02-01T08:38:30 Z paulsohn Orchard (NOI14_orchard) C++
0 / 25
0 ms 262144 KB
#include<stdio.h>
#define min(a,b) (a<b?a:b)
int n, m, sum[1000100], dy[115000000];
inline int access(int i, int j){ return (m+1)*i+j;}
inline int access(int i, int ii, int j){ return (m+1)*((n+1)*i+ii)+j; }
int main(){
    int i,ii,j,tmp,tot=0,wei=50000000;
    scanf("%d %d",&n,&m);
    for(i=1;i<=n;++i){
        for(j=1;j<=m;++j){
            scanf("%d",&tmp);
            if(tmp){
                ++tot;
                sum[access(i,j)]=sum[access(i-1,j)]-1;
            }
            else sum[access(i,j)]=sum[access(i-1,j)]+1;
        }
    }
    for(i=0;i<n;++i){
        for(ii=i+1;ii<=n;++ii){
            for(j=1;j<=m;++j){
                dy[access(i,ii,j)]=sum[access(ii,j)]-sum[access(i,j)]+min(dy[access(i,ii,j-1)],0);
                wei=min(wei,dy[access(i,ii,j)]);
            }
        }
    }
    printf("%d\n",tot+wei);
    return 0;
}
# Verdict Execution time Memory Grader output
1 Memory limit exceeded 0 ms 262144 KB Memory limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Memory limit exceeded 0 ms 262144 KB Memory limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Memory limit exceeded 0 ms 262144 KB Memory limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Memory limit exceeded 0 ms 262144 KB Memory limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Memory limit exceeded 0 ms 262144 KB Memory limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Memory limit exceeded 0 ms 262144 KB Memory limit exceeded
2 Halted 0 ms 0 KB -