Eroare de compilare: user.cpp: In function ‘int control(float)’: user.cpp:6:7: warning: unused variable ‘t’ [-Wunused-variable] { int t; ^ user.cpp: In function ‘int main()’: user.cpp:19:1: error: ‘FILE’ was not declared in this scope FILE *pf,*pi; /*declarare stream (flux de date)*/ ^ user.cpp:19:7: error: ‘pf’ was not declared in this scope FILE *pf,*pi; /*declarare stream (flux de date)*/ ^ user.cpp:19:11: error: ‘pi’ was not declared in this scope FILE *pf,*pi; /*declarare stream (flux de date)*/ ^ user.cpp:20:28: error: ‘fopen’ was not declared in this scope pf = fopen("fractii.in","r"); ^ user.cpp:22:18: error: ‘fscanf’ was not declared in this scope fscanf(pf,"%f",&n); ^ user.cpp:42:18: error: ‘fprintf’ was not declared in this scope fprintf(pi,"%i",b); ^ user.cpp:44:10: error: ‘fclose’ was not declared in this scope fclose(pf); ^ user.cpp:17:7: warning: unused variable ‘q’ [-Wunused-variable] float q,w; ^ user.cpp:17:9: warning: unused variable ‘w’ [-Wunused-variable] float q,w; ^ user.cpp:18:5: warning: unused variable ‘u’ [-Wunused-variable] int u,y,r,b; ^