https://www.acmicpc.net/problem/15723코드#include #include using namespace std;#define FASTIO ios::sync_with_stdio(false); cin.tie(NULL);int n, m, parent[27];int main() { FASTIO; fill(parent, parent + 27, -1); cin >> n; string a, tmp, b; for (int i = 0; i > a >> tmp >> b; parent[a[0] - 'a'] = b[0] - 'a'; } cin >> m; for (int i = 0, s, e; i > a >> tmp >> b; s = a[0] - 'a', e = b[0] - 'a'; while ..
