Compilare: main.cpp: In function 'int main()': main.cpp:26:19: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=] printf("%d", s); ^ main.cpp:9:9: warning: unused variable 'n' [-Wunused-variable] int n,i,top=0; ^ main.cpp:7:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] { freopen("paranteze2.in", "r", stdin); ^ main.cpp:8:43: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("paranteze2.out", "w", stdout); ^