Compilare: main.cpp: In function 'matrice inmultesc(matrice, matrice)': main.cpp:26:55: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] ans.m[i][j] = ( ans.m[i][j] + a.m[i][k] * b.m[k][j]) % mod; ~~~~~~~~^ main.cpp:25:31: note: within this loop for ( int k =1; k <= 3; k++ ) ~~^~~~ main.cpp:21:25: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] ans.m[i][j] = 0; ~~~~~~~~~~~~^~~ main.cpp:20:28: note: within this loop for ( int j = 1; j <= 3; j++ ) ~~^~~~ main.cpp:21:25: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] ans.m[i][j] = 0; ~~~~~~~~~~~~^~~ main.cpp:19:24: note: within this loop for ( int i = 1; i <= 3 ; i++ ) ~~^~~~ main.cpp:21:23: warning: array subscript is above array bounds [-Warray-bounds] ans.m[i][j] = 0; ~~~~~~~~~~^ main.cpp: In function 'int main()': main.cpp:21:25: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] ans.m[i][j] = 0; ~~~~~~~~~~~~^~~ main.cpp:19:24: note: within this loop for ( int i = 1; i <= 3 ; i++ ) ~~^~~~ main.cpp:21:25: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] ans.m[i][j] = 0; ~~~~~~~~~~~~^~~ main.cpp:19:24: note: within this loop for ( int i = 1; i <= 3 ; i++ ) ~~^~~~ main.cpp:21:25: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] ans.m[i][j] = 0; ~~~~~~~~~~~~^~~ main.cpp:19:24: note: within this loop for ( int i = 1; i <= 3 ; i++ ) ~~^~~~ main.cpp:21:23: warning: array subscript is above array bounds [-Warray-bounds] ans.m[i][j] = 0; ~~~~~~~~~~^ main.cpp:21:23: warning: array subscript is above array bounds [-Warray-bounds] ans.m[i][j] = 0; ~~~~~~~~~~^ main.cpp:21:23: warning: array subscript is above array bounds [-Warray-bounds] ans.m[i][j] = 0; ~~~~~~~~~~^