Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:18:5: error: ‘FILE’ was not declared in this scope FILE* in = fopen("euclid2.in","r"); ^ user.cpp:18:11: error: ‘in’ was not declared in this scope FILE* in = fopen("euclid2.in","r"); ^ user.cpp:18:38: error: ‘fopen’ was not declared in this scope FILE* in = fopen("euclid2.in","r"); ^ user.cpp:19:11: error: ‘out’ was not declared in this scope FILE* out = fopen("euclid2.out","w"); ^ user.cpp:23:26: error: ‘fscanf’ was not declared in this scope fscanf(in,"%d",&a); ^ user.cpp:25:38: error: ‘fprintf’ was not declared in this scope fprintf(out,"%d\n",CMMDC(a,b)); ^ user.cpp:29:14: error: ‘fclose’ was not declared in this scope fclose(in); ^ user.cpp:14:9: warning: unused variable ‘T’ [-Wunused-variable] int T; ^