Eroare de compilare: main.cpp: In function 'int main()': main.cpp:6:12: error: 'r' was not declared in this scope for(d=b-a;r=c%d;c=d,d=r); ^ main.cpp:5:92: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("holiday.in","r",stdin),freopen("holiday.out","w",stdout),scanf("%d%d%d",&a,&b,&c); ^ main.cpp:5:92: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] main.cpp:5:92: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] Non zero exit status: 1