Compilare: main.cpp: In function 'void RPTLG(int (*)[5], int)': main.cpp:37:62: warning: iteration 1 invokes undefined behavior [-Waggressive-loop-optimizations] aux[k][j]=(aux[k][j]+(aj[k][f]*r[f][j])%modulo)%modulo; ~~~~~~^ main.cpp:35:32: note: within this loop for (f=1; f<=3; f++) ~^~~ main.cpp:46:28: warning: iteration 1 invokes undefined behavior [-Waggressive-loop-optimizations] r[k][j]=aux[k][j]; ~~~~~~~^~~~~~~~~~ main.cpp:42:24: note: within this loop for (k=1; k<=3; k++) ~^~~ main.cpp: In function 'int main()': main.cpp:104:44: warning: array subscript is above array bounds [-Warray-bounds] rez=((x*r[1][3])%modulo+(y*r[2][3])%modulo+(z*r[3][3])%modulo)%modulo; ~~~^ main.cpp:104:63: warning: array subscript is above array bounds [-Warray-bounds] rez=((x*r[1][3])%modulo+(y*r[2][3])%modulo+(z*r[3][3])%modulo)%modulo; ~~~^