Compilare: main.cpp: In function 'int main()': main.cpp:39:17: warning: unused variable 'area' [-Wunused-variable] int maxx=0, area, minjos, maxar; ^~~~ main.cpp:16:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("fadema.in","r",stdin); ^ main.cpp:17:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("fadema.out","w",stdout); ^ main.cpp: In function 'void Next()': main.cpp:66:30: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(s,1,Lim,stdin), u = 0; ^