Compilare: main.cpp: In function 'void S(int)': main.cpp:6:19: warning: array subscript has type 'char' [-Wchar-subscripts] x=-x,r[o++]='-'; ^ main.cpp: In function 'int main()': main.cpp:36:125: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("evaluare.in","r",stdin),freopen("evaluare.out","w",stdout),fread(s,1,100001,stdin),S(E(0)),fwrite(r,1,o,stdout); ^ main.cpp:36:125: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] main.cpp:36:125: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result]