Compilare: user.cpp: In function ‘void RMQ()’: user.cpp:76:63: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] rmq[i][j].fi = max(rmq[i - 1][j].fi, rmq[i - 1][j + 1 << (i - 1)].fi); ^ user.cpp:77:63: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] rmq[i][j].se = min(rmq[i - 1][j].se, rmq[i - 1][j + 1 << (i - 1)].se); ^ user.cpp: In function ‘int main()’: user.cpp:23:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("teamwork.in", "r", stdin); ^ user.cpp:24:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("teamwork.out", "w", stdout); ^