#include <bits/stdc++.h> using namespace std; #define IOS ios::sync_with_stdio(false),cin.tie(nullptr) #define int long long void solve() { int n,m,j=0; vector<char> a={'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'}; cin>>n&...
