@[shoot_down](/user/616964) `if(i!=1) f[i][j]=min(f[i-1][j-1],f[i-1][j])+a[i][j];`->`if(i!=1) f[i][j]=min(f[i-1][j-1],f[i][j-1])+a[i][j];`
ans you can get an [AC](https://www.luogu.com.cn/record/98079859)
by Jerrlee✅ @ 2022-12-27 08:46:17