Compilare: main.cpp: In function 'void modulo()': main.cpp:42:22: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] 42 | mat[i][j]%=MOD; | ^ main.cpp:41:23: note: within this loop 41 | for(int j=1; j<=3; j++) | ~^~~ main.cpp:42:22: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] 42 | mat[i][j]%=MOD; | ^ main.cpp:39:19: note: within this loop 39 | for(int i=1; i<=3; i++) | ~^~~ main.cpp:42:22: warning: array subscript 3 is above array bounds of 'long long int [3]' [-Warray-bounds] 42 | mat[i][j]%=MOD; | ^ main.cpp:42:22: warning: array subscript 3 is above array bounds of 'long long int [3]' [-Warray-bounds] main.cpp: In function 'int main()': main.cpp:42:22: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] 42 | mat[i][j]%=MOD; | ^ main.cpp:39:19: note: within this loop 39 | for(int i=1; i<=3; i++) | ~^~~ main.cpp:55:18: warning: array subscript 3 is above array bounds of 'long long int [3]' [-Warray-bounds] 55 | mati[1][3]=Z; | ~~~~~~~~~^ main.cpp:58:18: warning: array subscript 3 is above array bounds of 'long long int [3]' [-Warray-bounds] 58 | mati[2][3]=Y; | ~~~~~~~~~^ main.cpp:59:15: warning: array subscript 3 is above array bounds of 'long long int [3][3]' [-Warray-bounds] 59 | mati[3][1]=Z; | ~~~~~~^ main.cpp:9:11: note: while referencing 'mati' 9 | long long mati[N][N]; | ^~~~ main.cpp:60:15: warning: array subscript 3 is above array bounds of 'long long int [3][3]' [-Warray-bounds] 60 | mati[3][2]=Y; | ~~~~~~^ main.cpp:9:11: note: while referencing 'mati' 9 | long long mati[N][N]; | ^~~~ main.cpp:61:18: warning: array subscript 3 is above array bounds of 'long long int [3]' [-Warray-bounds] 61 | mati[3][3]=X; | ~~~~~~~~~^ main.cpp:42:22: warning: array subscript 3 is above array bounds of 'long long int [3]' [-Warray-bounds] 42 | mat[i][j]%=MOD; | ^ main.cpp:42:22: warning: array subscript 3 is above array bounds of 'long long int [3]' [-Warray-bounds] main.cpp:66:17: warning: array subscript 3 is above array bounds of 'long long int [3]' [-Warray-bounds]