Submission #417851

#TimeUsernameProblemLanguageResultExecution timeMemory
417851Kevin_Zhang_TWThe short shank; Redemption (BOI21_prison)C++17
Compilation error
0 ms0 KiB
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define pb emplace_back
#define AI(i) begin(i), end(i)
template<class T> bool chmin(T &a, T b) { return b < a && (a = b, true); }
template<class T> bool chmax(T &a, T b) { return a < b && (a = b, true); }
#ifdef KEV
#define DE(args...) kout("[ " + string(#args) + " ] = ", args)
void kout() { cerr << endl; }
template<class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ', kout(b...); }
template<class T> void debug(T l, T r) { while (l != r) cerr << *l << " \n"[next(l)==r], ++l; }
#else
#define DE(...) 0
#define debug(...) 0
#endif

const int MAX_N = 4005, inf = 1e9;

int dp[MAX_N][MAX_N];
int n, D, T;

//           i can activate [i, nxt[i])
int s[MAX_N], nxt[MAX_N];

void solve_dp(int cost) {
	vector<int> ok(n + 10);
	for (int i = n;i >= 1;--i) {
		for (int j = i;j < nxt[i];++j)
			ok[j] = true;

		dp[i][1] = accumulate(begin(ok)+i, end(ok), 0);
		for (int j = 2;j <= n;++j) {
			dp[i][j] = inf;
			int sum = 0;
			for (int k = i+1;k <= n;++k) {
				sum += ok[k-1];
				chmin(dp[i][j], sum + dp[k][j-1]);
			}
		}
	}
}

int32_t main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	cin >> n >> D >> T; ++D;
	// Just to be faster
	assert(n < MAX_N);

	for (int i = 1;i <= n;++i) {
		cin >> s[i];
		nxt[i] = min(n+1, max(i, i + T - s[i] + 1));
	}

	solve_dp();

	cout << dp[1][D] << '\n';
}

Compilation message (stderr)

prison.cpp: In function 'int32_t main()':
prison.cpp:55:11: error: too few arguments to function 'void solve_dp(int)'
   55 |  solve_dp();
      |           ^
prison.cpp:26:6: note: declared here
   26 | void solve_dp(int cost) {
      |      ^~~~~~~~