This commit is contained in:
Zengtudor 2024-10-13 00:23:49 +08:00
parent 96af76f038
commit 297e2b1912

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@ -1,5 +1,4 @@
#include <iostream> #include <iostream>
#include <stdexcept>
using ll = long long; using ll = long long;
@ -41,7 +40,7 @@ void dfs(const ll x)noexcept{
return; return;
} }
int main()noexcept{ int main(){
is>>n; is>>n;
dfs(1); dfs(1);
os<<sum<<'\n'; os<<sum<<'\n';