Compilare: main.cpp: In function 'int main()': main.cpp:46:9: warning: unused variable 'priml' [-Wunused-variable] int t,y,priml,ultiml,primc,ultimc; ^~~~~ main.cpp:46:15: warning: unused variable 'ultiml' [-Wunused-variable] int t,y,priml,ultiml,primc,ultimc; ^~~~~~ main.cpp:46:22: warning: unused variable 'primc' [-Wunused-variable] int t,y,priml,ultiml,primc,ultimc; ^~~~~ main.cpp:46:28: warning: unused variable 'ultimc' [-Wunused-variable] int t,y,priml,ultiml,primc,ultimc; ^~~~~~ main.cpp:16:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("points2.in","r",stdin); ^ main.cpp:17:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("points2.out","w", stdout); ^ main.cpp: In function 'void Next()': main.cpp:119:44: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] std::fread(S, 1, Lim, stdin), u = 0; ^