Compilare: main.cpp: In function 'int main()': main.cpp:49:25: warning: iteration 1 invokes undefined behavior [-Waggressive-loop-optimizations] dp[i][j][1] = a[i][j] + maxi; ~~~~~~~~~~~~^~~~~~~~~~~~~~~~ main.cpp:39:24: note: within this loop for (int i=1; i<=2; i++) ~^~~ main.cpp:26:9: warning: array subscript is above array bounds [-Warray-bounds] dp[2][1][1] = a[1][1] + a[2][1]; ~~~~^