FDJSGHMXCGFHGFHDSGFJ
2025-03-15 20:27:24
发布于:四川
#include<bits/stdc++.h>
using namespace std;
int main()
{
int n,x,a[105][105];
cin>>n;
int f=0;
for(int i=0;i<n;i++){
for(int j=0;j<n;j++){
cin>>x;
if(i!=0&&j!=0){
if(i!=(n-1)&&j!=(n-1)){
if(i!=0&&j!=(n-1)){
if(i!=(n-1)&&j!=0){
if(i!=0&&j!=0){
//xdgfsjixdfdfskjhjfdshfkjhfkjsfhkdshfkjdshdfkjshdkjshfdjshfdjskhfsjdfhskjf hskdfjhsjdfhksjdhfksjhfskjhfdskjhfsk
if(i!=(n-1)&&j!=(n-1)){
if(i!=0&&j!=(n-1)){
f+=x;
}
}
//*(*&HJGJGJCHHCGDJKGHSDJGKDCHJGKSWHCGKHGCDKHJSGKHGCKHGCKSGHDCKHJGCHJGCKHGCKJGHCDHJCGKCDGKCGHKHCDGKGHCDHJCGDKDHCGCGHDHKCGKDH
}else if(i==(n-1)&&j!=0){
if(i!=0&&j!=0){
if(i!=(n-1)&&j!=(n-1)){
if(i!=0&&j!=(n-1)){
if(i!=(n-1)&&j!=0){
if(i!=0&&j!=(n-1)){
f+=x;
}
}
}
//YJGHDJHKJHFLDHFJLJDHSFkjsdhfllsjdhljfdmfjshsdfjhhfdkhfjsljsdhfjhdsJSHLDHJF
}
}else if(i==0&&j!=n){
f+=x;
}
}else if(i==(n-1)&&j!=(n-1)){
f+=x;
}
}else if(i==0&&j!=0){
f+=x;
}
}
}
cout<<f;
return 0;
}
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