Compilare: user.cpp: In function ‘matrix produs(matrix, matrix)’: user.cpp:4:26: warning: narrowing conversion of ‘((((((long long int)A.matrix::x1) * ((long long int)B.matrix::x1)) % 666013ll) + ((((long long int)A.matrix::x2) * ((long long int)B.matrix::x3)) % 666013ll)) % 666013ll)’ from ‘long long int’ to ‘int’ inside { } [-Wnarrowing] #define S(x, y) ((x + y) % mod) ^ user.cpp:15:16: note: in expansion of macro ‘S’ matrix C = {S(P(A.x1, B.x1), P(A.x2, B.x3)), S(P(A.x1, B.x2), P(A.x2, B.x4)), S(P(A.x3, B.x1), P(A.x4, B.x3)), S(P(A.x3, B.x2), P(A.x4, B.x4))}; ^ user.cpp:4:26: warning: narrowing conversion of ‘((((((long long int)A.matrix::x1) * ((long long int)B.matrix::x2)) % 666013ll) + ((((long long int)A.matrix::x2) * ((long long int)B.matrix::x4)) % 666013ll)) % 666013ll)’ from ‘long long int’ to ‘int’ inside { } [-Wnarrowing] #define S(x, y) ((x + y) % mod) ^ user.cpp:15:49: note: in expansion of macro ‘S’ matrix C = {S(P(A.x1, B.x1), P(A.x2, B.x3)), S(P(A.x1, B.x2), P(A.x2, B.x4)), S(P(A.x3, B.x1), P(A.x4, B.x3)), S(P(A.x3, B.x2), P(A.x4, B.x4))}; ^ user.cpp:4:26: warning: narrowing conversion of ‘((((((long long int)A.matrix::x3) * ((long long int)B.matrix::x1)) % 666013ll) + ((((long long int)A.matrix::x4) * ((long long int)B.matrix::x3)) % 666013ll)) % 666013ll)’ from ‘long long int’ to ‘int’ inside { } [-Wnarrowing] #define S(x, y) ((x + y) % mod) ^ user.cpp:15:82: note: in expansion of macro ‘S’ matrix C = {S(P(A.x1, B.x1), P(A.x2, B.x3)), S(P(A.x1, B.x2), P(A.x2, B.x4)), S(P(A.x3, B.x1), P(A.x4, B.x3)), S(P(A.x3, B.x2), P(A.x4, B.x4))}; ^ user.cpp:4:26: warning: narrowing conversion of ‘((((((long long int)A.matrix::x3) * ((long long int)B.matrix::x2)) % 666013ll) + ((((long long int)A.matrix::x4) * ((long long int)B.matrix::x4)) % 666013ll)) % 666013ll)’ from ‘long long int’ to ‘int’ inside { } [-Wnarrowing] #define S(x, y) ((x + y) % mod) ^ user.cpp:15:115: note: in expansion of macro ‘S’ matrix C = {S(P(A.x1, B.x1), P(A.x2, B.x3)), S(P(A.x1, B.x2), P(A.x2, B.x4)), S(P(A.x3, B.x1), P(A.x4, B.x3)), S(P(A.x3, B.x2), P(A.x4, B.x4))}; ^