Submission #7840

#	Time	Username	Problem	Language	Result	Execution time	Memory
7840		comet	배열 탈출 (GA8_array)	C++98	100 / 100	1004 ms	50072 KiB

array

#include<cstdio>
#include<algorithm>
#include<memory.h>
#define INF 987654321
using namespace std;
int n;
int a[2500][2500];
int d[2500][2500];
int f(int x,int y){
    if(x>=n||y>=n)return INF;
    if(x==n-1&&y==n-1)return 0;
    int& ret=d[x][y];
    if(ret!=-1)return ret;
    ret=min(f(x+1,y)+max(a[x+1][y]-a[x][y]+1,0),f(x,y+1)+max(a[x][y+1]-a[x][y]+1,0));
    return ret;
}
int main(){
    scanf("%d",&n);
    memset(d,-1,sizeof(d));
    for(int i=0;i<n;i++)
        for(int j=0;j<n;j++)
            scanf("%d",&a[i][j]);
    printf("%d",f(0,0));
}

• Subtask 1: 6 / 6
• Subtask 2: 11 / 11
• Subtask 3: 32 / 32
• Subtask 4: 51 / 51