Compilare: main.cpp: In function 'int main()': main.cpp:20:27: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] 20 | sp[k][i][j] += sp[k][i-1][j];// + sp[k][i][j-1] - sp[k][i-1][j-1]; | ~~~~~~~~~~^ main.cpp:18:27: note: within this loop 18 | for(int k=0; k<=2; k++) | ~^~~ main.cpp:35:27: warning: array subscript 2 is above array bounds of 'long int [2][5003][5003]' [-Warray-bounds] 35 | nr2 = sp[2][j][k] - sp[2][i-1][k]; | ~~~~^ main.cpp:8:6: note: while referencing 'sp' 8 | long sp[2][Nmax][Nmax]; | ^~ main.cpp:35:41: warning: array subscript 2 is above array bounds of 'long int [2][5003][5003]' [-Warray-bounds] 35 | nr2 = sp[2][j][k] - sp[2][i-1][k]; | ~~~~^ main.cpp:8:6: note: while referencing 'sp' 8 | long sp[2][Nmax][Nmax]; | ^~