Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:92:28: warning: narrowing conversion of 'h[c]' from 'i64' {aka 'long long int'} to 'int' [-Wnarrowing] 92 | nodes[c].l={h[c],-dp[c]}; | ~~~^ main.cpp:92:30: warning: narrowing conversion of '- dp[c]' from 'i64' {aka 'long long int'} to 'int' [-Wnarrowing] 92 | nodes[c].l={h[c],-dp[c]}; | ^~~~~~ main.cpp: At global scope: main.cpp:98:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 98 | main() | ^~~~