Compilare: main.cpp: In function 'void inmultire_mat22(int (*)[2], int (*)[2])': main.cpp:19:28: warning: iteration 1 invokes undefined behavior [-Waggressive-loop-optimizations] 19 | A[i][j]=AB[i][j]; | ~~~~~~~^ main.cpp:18:22: note: within this loop 18 | for(int j=1;j<3;j++) | ~^~ main.cpp:15:20: warning: iteration 1 invokes undefined behavior [-Waggressive-loop-optimizations] 15 | AB[i][j]%=mod; | ~~~~~~~^ main.cpp:11:22: note: within this loop 11 | for(int j=1;j<3;j++){ | ~^~ main.cpp: In function 'void inmultire_mat12(int (*)[2], int (*)[2])': main.cpp:34:28: warning: iteration 1 invokes undefined behavior [-Waggressive-loop-optimizations] 34 | A[i][j]=AB[i][j]; | ~~~~~~~^ main.cpp:33:22: note: within this loop 33 | for(int j=1;j<3;j++) | ~^~ main.cpp:30:20: warning: iteration 1 invokes undefined behavior [-Waggressive-loop-optimizations] 30 | AB[i][j]%=mod; | ~~~~~~~^ main.cpp:26:22: note: within this loop 26 | for(int j=1;j<3;j++){ | ~^~ main.cpp: In function 'void inmultire_mat22(int (*)[2], int (*)[2])': main.cpp:19:28: warning: iteration 1 invokes undefined behavior [-Waggressive-loop-optimizations] 19 | A[i][j]=AB[i][j]; | ~~~~~~~^ main.cpp:17:19: note: within this loop 17 | for (int i=1;i<3;i++) | ~^~ main.cpp:19:28: warning: array subscript 2 is above array bounds of 'long long int [2]' [-Warray-bounds] 19 | A[i][j]=AB[i][j]; | ~~~~~~~^ main.cpp:9:19: note: while referencing 'AB' 9 | int long long AB[2][2]; | ^~ main.cpp:19:19: warning: array subscript 2 is above array bounds of 'int [2]' [-Warray-bounds] 19 | A[i][j]=AB[i][j]; | ~~~~~~^ main.cpp:19:25: warning: array subscript 2 is above array bounds of 'long long int [2][2]' [-Warray-bounds] 19 | A[i][j]=AB[i][j]; | ~~~~^ main.cpp:9:19: note: while referencing 'AB' 9 | int long long AB[2][2]; | ^~ main.cpp:19:28: warning: array subscript 2 is above array bounds of 'long long int [2]' [-Warray-bounds] 19 | A[i][j]=AB[i][j];