Compilare: main.cpp: In function 'int main()': main.cpp:91:40: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] 91 | query(pos[orig].first) - query(pos[stramos].first - 1) << '\n'; | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:91:72: warning: value computed is not used [-Wunused-value] 91 | query(pos[orig].first) - query(pos[stramos].first - 1) << '\n'; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~