Compilare: main.cpp: In function 'void RMQ()': main.cpp:59:58: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] rmq[i][j] = max(rmq[i-1][j], rmq[i-1][j + (1 << i-1)]); ~^~ main.cpp: In function 'int main()': main.cpp:91:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("sushi2.in", "r", stdin); ^ main.cpp:92:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("sushi2.out", "w", stdout); ^