Submission #205033

#	Time	Username	Problem	Language	Result	Execution time	Memory
205033		MetB	Klavir (COCI17_klavir)	C++14	0 / 160	243 ms	23964 KiB

klavir

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>

using namespace __gnu_pbds;

#define N 1000001

using namespace std;

typedef long long ll;
typedef unsigned long long ull;

const ll INF = 1e18, MOD = 1e9 + 7, MOD2 = 1e6 + 3;

int n, m;
ll pf[N], pw[N], s[N];

int main () {
	cin >> n;
	cin >> m;

    pw[0] = 1;

    for (int i = 1; i <= m; i++)
        pw[i] = n * pw[i-1] % MOD;

	for (int i = 0; i < m; i++) {
		cin >> s[i];
	}

	for (int i = 1; i < m; i++) {
		int j = pf[i-1];
		while (j > 0 && s[j] != s[i])
			j = pf[j-1];
		if (s[i] == s[j]) j++;
		pf[i] = j;
	}

	ll ans = n;

	cout << n << '\n';


    for (int i = 1; i < n; i++) {

		int l = i - 1, r = i;

		while (l != r) {
			if (l > r) {
				ans = (ans + MOD - pw[l+1]) % MOD;
				l = pf[l] - 1;
			}

			if (l < r) {
				ans = (ans + pw[r+1]) % MOD;
				r = pf[r] - 1;
			}
		}

        cout << ans << '\n';
    }
}

Compilation message (stderr)

klavir.cpp: In function 'int main()':
klavir.cpp:24:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for (int i = 1; i <= m; i++)
     ^~~
klavir.cpp:27:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
  for (int i = 0; i < m; i++) {
  ^~~

• Subtask 1: 0 / 16
• Subtask 2: 0 / 16
• Subtask 3: 0 / 16
• Subtask 4: 0 / 16
• Subtask 5: 0 / 16
• Subtask 6: 0 / 16
• Subtask 7: 0 / 16
• Subtask 8: 0 / 16
• Subtask 9: 0 / 16
• Subtask 10: 0 / 16