Compilare: user.cpp: In function ‘int main()’: user.cpp:27:23: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=] scanf("%d%d",&a,&b); A[1][1]=1; A[1][2]=0; A[2][1]=0; A[2][2]=1; ^ user.cpp:28:32: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] if (a<3) {printf("%d\n",1%b); return 0;} ^ user.cpp:39:24: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("%d\n",sol%b); ^ user.cpp:24:18: warning: unused variable ‘n’ [-Wunused-variable] int a, k, p, n, i, sol; ^ user.cpp:25:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("fibo.in","r",stdin); ^ user.cpp:26:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("fibo.out","w",stdout); ^ user.cpp:27:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&a,&b); A[1][1]=1; A[1][2]=0; A[2][1]=0; A[2][2]=1; ^