16931번: 겉넓이 구하기
📝 Memo
Memory : 2016
Time : 0
🖥️ Code
#include <bits/stdc++.h>
int max(int a, int b)
{
if (a > b)
return a;
return b;
}
int main()
{
int n, m;
int map[102][102];
int count = 0;
scanf("%d %d",&n,&m);
for(int i=0;i<102;i++) {
for(int j=0;j<102;j++)
map[i][j] = 0;
}
for(int i=1;i<=n;i++) {
for(int j=1;j<=m;j++)
scanf("%d",&map[i][j]);
}
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
count += 2;
count += max(map[i][j] - map[i][j-1], 0);
count += max(map[i][j] - map[i][j+1], 0);
count += max(map[i][j] - map[i-1][j], 0);
count += max(map[i][j] - map[i+1][j], 0);
}
}
printf("%d",count);
}