dreapta.cpp: In function 'int main()': dreapta.cpp:83: warning: format '%d' expects type 'int', but argument 2 has type 'long long int' dreapta.cpp:29: warning: unused variable 'c3' dreapta.cpp:29: warning: unused variable 'c4' dreapta.cpp:21: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result dreapta.cpp:22: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result dreapta.cpp:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result dreapta.cpp:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result