expresie.cpp: In function 'int main()': expresie.cpp:57: warning: format '%d' expects type 'int', but argument 2 has type 'long long int' expresie.cpp:61: warning: format '%d' expects type 'int', but argument 2 has type 'long long int' expresie.cpp:63: warning: format '%d' expects type 'int', but argument 2 has type 'long long int' expresie.cpp:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result expresie.cpp:11: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result expresie.cpp:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result expresie.cpp:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result