Compilare: main.cpp: In function 'int main()': main.cpp:154:13: warning: unused variable 'cc' [-Wunused-variable] 154 | int cc = 0; | ^~ main.cpp: In function 'int lca(int, int)': main.cpp:131:53: warning: 'in' may be used uninitialized [-Wmaybe-uninitialized] 131 | if (dth[dp[in][n1]] <= dth[dp[in][n2 - p[in] + 1]]) { | ~~~~~~~~~~~~~~~~~~~~~^ main.cpp:121:31: note: 'in' was declared here 121 | int st = 0, dr = 20, mij, in, l = n2 - n1 + 1; | ^~