/* -*- coding: utf-8 -*- * * 2496.cc: No.2496 LCM between Permutations - yukicoder */ #include #include #include using namespace std; /* constant */ const int MAX_N = 1000; const int MAX_P = MAX_N + 50; /* typedef */ typedef vector vi; /* global variables */ bool primes[MAX_P + 1]; int as[MAX_N], bs[MAX_N]; /* subroutines */ int gen_primes(int maxp, vi &pnums) { fill(primes, primes + maxp + 1, true); primes[0] = primes[1] = false; int p; for (p = 2; p * p <= maxp; p++) if (primes[p]) { pnums.push_back(p); for (int q = p * p; q <= maxp; q += p) primes[q] = false; } for (; p <= maxp; p++) if (primes[p]) pnums.push_back(p); return (int)pnums.size(); } int query(int i, int j) { printf("? %d %d\n", i + 1, j + 1); fflush(stdout); int r; scanf("%d", &r); return r; } /* main */ int main() { int n; scanf("%d", &n); if (n == 1) { puts("! 1 1"); fflush(stdout); return 0; } vi pnums; gen_primes(MAX_P, pnums); auto vit = upper_bound(pnums.begin(), pnums.end(), n); int p = *(vit - 1); //printf("p=%d\n", p); int u = -1, v = -1; for (int i = 0; i < n; i++) if (query(i, i) % p == 0) { if (u < 0) u = i; else v = i; } int au, bu; if (v < 0) au = bu = u; else { if (query(u, v) % p == 0) au = u, bu = v; else au = v, bu = u; } as[au] = bs[bu] = p; for (int i = 0; i < n; i++) if (i != au) as[i] = query(i, bu) / p; for (int i = 0; i < n; i++) if (i != bu) bs[i] = query(au, i) / p; putchar('!'); for (int i = 0; i < n; i++) printf(" %d", as[i]); for (int i = 0; i < n; i++) printf(" %d", bs[i]); putchar('\n'); fflush(stdout); return 0; }