#include using namespace std; using ll = long long; bool chmin(auto &a, auto b) { return a > b ? a = b, true : false; } bool chmax(auto &a, auto b) { return a < b ? a = b, true : false; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int N, M, T; cin >> N >> M >> T; vector A(M); for (int i = 0; i < M; i++) cin >> A[i], A[i]--; int L = 0, R = M; while (R - L > 1) { int mid = (L + R) / 2; vector X(N); int rem = 0; for (int i = 0; i < M; i++) { if (X[A[i]] < mid) X[A[i]]++; else rem++; } for (int i = 0; i < N; i++) { rem -= (mid - X[i]) / T; } (rem <= 0 ? R : L) = mid; } cout << R << endl; }