Submission #990353

# Submission time Handle Problem Language Result Execution time Memory
990353 2024-05-30T09:25:53 Z TgX_2 Stove (JOI18_stove) C++17
0 / 100
1 ms 344 KB
/*-----------------------------
		Author : TgX.2
	   10Ti - K28 - CHV
-----------------------------*/

#include <bits/stdc++.h>

#define FOR(i,a,b) for(int i=(a), _b=(b);i<=_b;++i)
#define FORD(i,a,b) for(int i=(a), _b=(b);i>=_b;--i)
#define FORC(i,a,b,c) for(int i=(a), _b=(b), _c=(c);i<=_b;i+=_c)
#define FORSq(i,a,b) for(int i=(a), _b=(b);i*i<=_b;++i)
#define FORSt(i,s) for(int i=0, _s=(int)(s.size());i<_s;++i)

#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define pp pop_back()
#define eb emplace_back
#define ers erase
#define ins insert
#define emp empty()
#define rvs reverse

#define BIT(x,i) (((x)>>(i))&1)
#define MASK(i) (1LL<<(i))
#define CNTBIT(x) __builtin_popcountll(x)
#define ODDBIT(x) __builtin_parityll(x)
#define FIRSTBIT(x) __builtin_ctzll(x)

#define len(x) (int)((x).size())
#define all(x) (x).begin(), (x).end()
#define alln(x,n) (x)+1, (x)+1+(n)

#define _ <<" "<<
#define __ << "\n"
#define ___ << " "
#define ____ << "\t"

#define file "temp"
#define ______________TgX______________ main()
#define int long long
#define intmax 1e9
#define intmin -1e9
#define llongmax 1e18
#define llongmin -1e18
#define memo(a, val) memset((a), (val), sizeof((a)))

using namespace std;
using namespace std::chrono;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pii> vpii;
typedef vector<pll> vpll;

// int dx[] = {1,-1,0,0} , dy[] = {0,0,1,-1};                         // 4 Direction
// int dx[] = {1,-1,0,0,1,1,-1,-1} , dy[] = {0,0,1,-1,1,-1,1,-1};     // 8 Direction
// int dx[] = {1,-1,1,-1,2,2,-2,-2} , dy[] = {2,2,-2,-2,1,-1,1,-1};   // Knight Direction
// int dx[] = {2,-2,1,1,-1,-1} , dy[] = {0,0,1,-1,1,-1};              // Hexagonal Direction

void fastio() {
	if (fopen(file".inp", "r")) {
		freopen(file".inp", "r", stdin);
		freopen(file".out", "w", stdout);
		freopen(file".debug", "w", stderr);
	}        
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);  
}

template<typename T1, typename T2> bool mini(T1 &a, T2 b)
	{if(a>b) a=b; else return 0; return 1;}
template<typename T1, typename T2> bool maxi(T1 &a, T2 b)
	{if(a<b) a=b; else return 0; return 1;}
/*-----------------------------*/

const int maxn = 1e5 + 7;
int n, k, a[maxn];
vector<int> s;
void process() {
	cin >> n >> k;
	FOR(i, 1, n) {
		cin >> a[i];
		if (i > 1) 
			s.pb(a[i] - a[i - 1] - 1);
	}

	sort(all(s), greater<int>());

	int ans = a[n] -a[1];
	FOR(i, 0, k - 2) 
		ans -= s[i];
	
	cout << ans;
}



/*-----------------------------*/
______________TgX______________ {
	auto start = high_resolution_clock::now();
	fastio();
	process();
	auto stop = high_resolution_clock::now();
	auto duration = duration_cast<microseconds>(stop - start);
	cerr << "Time: " << duration.count() << " ms" << endl;  
}


/*==============================+
|INPUT                          |
--------------------------------|

================================+
|OUTPUT                         |
--------------------------------|

===============================*/

Compilation message

stove.cpp:41:41: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   41 | #define ______________TgX______________ main()
      |                                         ^~~~
stove.cpp:104:1: note: in expansion of macro '______________TgX______________'
  104 | ______________TgX______________ {
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
stove.cpp: In function 'void fastio()':
stove.cpp:67:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   67 |   freopen(file".inp", "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
stove.cpp:68:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   68 |   freopen(file".out", "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
stove.cpp:69:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |   freopen(file".debug", "w", stderr);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -