Borderou de evaluare (job #696012)

Eroare de compilare: main.cpp: In function 'int main()': main.cpp:13:13: error: 'sp' was not declared in this scope 13 | sp[i][j] = sp[i][j-1] + sp[i-1][j] - sp[i-1][j-1] + a; | ^~ main.cpp:18:33: error: 'm' was not declared in this scope 18 | for(int j=1; j+l-1<=m; j++){ | ^ main.cpp:20:27: error: 'sp' was not declared in this scope 20 | int sum = sp[i-1][j-1] - (sp[i-1][y] + sp[x][j-1]) + sp[x][y]; | ^~