<input type="text" name="avatar" value="gravatar:lqst2025025@qhc.com" placeholder="" class="textbox"

  </label>
    <p class="help-text">允许使用 gravatar:email，qq:id，github:name，url:link 格式。</p>
</div>

<input type="text" name="qq" value="" placeholder="" class="textbox"

  </label>
  </div>

<select name="gender" class="select"

  Boy ♂
</option><option value="1">
  Girl ♀
</option><option value="2">
  Other
</option></select>

  </label>
  </div>

#include<bits/stdc++.h> using namespace std; int n,m; const int N=205; int a[N][N]; int main() { cin>>n>>m; for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) cin>>a[i][j]; int ans=0; for(int x=1;x<=n;x++) for(int y=1;y<=n;y++) { int nowsum=0; nowsum+=a[x][y]; int newx=x-1,newy=y-1; while(newx>=1&&newx<=n&&newy>=1&&newy<=m){nowsum+=a[newx][newy];newx--;newy--; } newx=x-1,newy=y+1; while(newx>=1&&newx<=n&&newy>=1&&newy<=m){nowsum+=a[newx][newy];newx--;newy++; } newx=x+1,newy=y+1; while(newx>=1&&newx<=n&&newy>=1&&newy<=m){nowsum+=a[newx][newy];newx++;newy++; } newx=x+1,newy=y-1; while(newx>=1&&newx<=n&&newy>=1&&newy<=m){nowsum+=a[newx][newy];newx++;newy--; } ans=max(ans,nowsum); } cout<<ans; return 0; }

  </label>
  </div>

<input type="text" name="school" value="" placeholder="" class="textbox"

  </label>
  </div>

<input type="text" name="studentId" value="" placeholder="" class="textbox"

  </label>
  </div>

<input type="text" name="phone" value="" placeholder="" class="textbox" disabled

  </label>
  </div>