Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:9:2: error: ‘FILE’ was not declared in this scope FILE *f = fopen("par.in", "r"); ^ user.cpp:9:8: error: ‘f’ was not declared in this scope FILE *f = fopen("par.in", "r"); ^ user.cpp:9:31: error: ‘fopen’ was not declared in this scope FILE *f = fopen("par.in", "r"); ^ user.cpp:10:20: error: ‘fscanf’ was not declared in this scope fscanf(f, "%d", &n); ^ user.cpp:28:8: error: ‘fo’ was not declared in this scope FILE *fo = fopen("par.out", "w"); ^ user.cpp:33:28: error: ‘fprintf’ was not declared in this scope fprintf(fo, "%d", (int)res); ^