oj.uz

Submission #1017264

# Submission time Handle Problem Language Result Execution time Memory
1017264 2024-07-09T07:04:13 Z vjudge1 Stove (JOI18_stove) C++17
100 / 100
 20 ms 3384 KB 
#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
using namespace std;
int v[1000];
bool ready[10000];
vector<int>value(1000,0);
const int mod=1e9+7;
int find(int n,int a,int b) {
	double l=0,r=1e8*2;
	while(l<r) {
		double m=(l+r+1)/2;
		if((m/a)+(m/b)>=n)
			r = m;
		else
			l = m+1;
	}
	return l;
}
long long gcd2(long long n,long long m) {
	if(n==0) {
		return m;
	}
	if(m==0) {
		return n;
	}
	if(n>m) {
		return gcd2(n%m,m);
	} else return gcd2(n,m%n);
}
long long lcm(long long a,long long b) {
	return a/gcd2(a,b)*b;
}
int solve(int x) {
	if(x<0) {
		return 1e9;
	}
	if(x==0) {
		return 0;
	}
	if(ready[x]) {
		return value[x];
	}
	int best=1e9;
	for(auto c:v) {
		best=min(best,solve(x-c)+1);
	}
	ready[x]=true;
	value[x]=best;
	return best;
}
int minCoins(vector<int>& coins, int amount) {
	vector<int> dp(amount + 1, INT_MAX);
	dp[0] = 0;
	for (int coin : coins) {
		for (int i = coin; i <= amount; ++i) {
			if (dp[i - coin] != INT_MAX) {
				dp[i] = min(dp[i], dp[i - coin] + 1);
			}
		}
	}
	return dp[amount] == INT_MAX ? -1 : dp[amount];
}
int countWays(int n) {
	vector<int> dp(n + 1, 0);
	dp[0] = 1;
	for (int i = 1; i <= n; ++i) {
		for (int j = 1; j <= 6; ++j) {
			if (i - j >= 0) {
				dp[i] += dp[i - j]%mod;
			}
		}
	}
	return dp[n]%mod;
}
int f(int n){
	string s=to_string(n);
	int k=char(s[0]-48);
	int o = n-(k*pow(10,s.size()-1));
	return o;
}
//Set Min[i] equal to Infinity
//for all of i
//Min[0] = 0
//
//For i = 1 to S
//For j = 0 to N - 1
//If(Vj <= i AND Min[i - Vj] + 1 < Min[i])
//Then Min[i] = Min[i - Vj] + 1
//
//Output Min[S]
signed main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);cout.tie(0);
	int t=1;
	//cin>>t;
	while(t--){
		int n,k;
		cin>>n>>k;
		vector<int>a(n);
		for(int i=0;i<n;i++){
			cin>>a[i];
		}
		if(k>=n){
			cout<<n;
			return 0;
		}
		vector<int>v;
		for(int i=1;i<n;i++){
			v.push_back(a[i]-a[i-1]);
		}
		sort(v.begin(),v.end());
		int mx=a[n-1]+1-a[0];
		k--;
		while(k--){
			if(k>=1 and (int)v.size()==1){
				mx+=1;
				break;
			}
			mx-=v[(int)v.size()-1]-1;
			v.pop_back();
		}
		cout<<mx;
	}
	return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 524 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 484 KB Output is correct
15 Correct 1 ms 348 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 524 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 484 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 13 ms 3384 KB Output is correct
17 Correct 20 ms 3288 KB Output is correct
18 Correct 15 ms 3288 KB Output is correct
19 Correct 13 ms 3292 KB Output is correct
20 Correct 13 ms 3292 KB Output is correct
21 Correct 13 ms 3296 KB Output is correct
22 Correct 14 ms 3292 KB Output is correct
23 Correct 13 ms 3288 KB Output is correct
24 Correct 13 ms 3288 KB Output is correct