Compilare: main.cpp:5:22: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] unsigned int v[1<<20 + 5]; ~~~^~~ main.cpp: In function 'void inc()': main.cpp:18:39: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buffer, 0, 32000, stdin); ^ main.cpp: In function 'void Read()': main.cpp:37:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("secv5.in","r",stdin); ^