#include<bits/stdc++.h>
using namespace std;
//Num
#define int long long
#define ld long double
//Vector or String
#define all(v) v.begin(), v.end()
#define sor(v) sort(all(v))
#define sz(v) (long long) v.size()
#define remu(v) v.erase(unique(all(v)), end(v))
#define pb push_back
#define eb emplace_back
//Pair Map
#define fi first
#define se second
#define pii pair<int, int>
#define mii map<int, int>
#define mib map<int, bool>
//Loop
#define fou(i, a, b) for(int i = a; i <= b; i++)
#define fod(i, a, b) for(int i = a; i >= b; i--)
//Gragh
const int dx[8] = {0, 0, 1, -1, -1, -1, 1, 1};
const int dy[8] = {1, -1, 0, 0, -1, 1, -1, 1};
//Some Func
template <class T> bool ckmin(T &a, const T &b) {
return b < a ? a = b, 1 : 0;
}
template <class T> bool ckmax(T &a, const T &b) {
return a < b ? a = b, 1 : 0;
}
string its(int n) {
stringstream ss;
ss << n;
string s;
ss >> s;
return s;
}
int sti(string s) {
stringstream ss;
ss << s;
int n;
ss >> n;
return n;
}
//Input Output
#define FIO ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define TASK "fi"
#define el '\n'
//Mod MaxN
const int MOD = 1e9 + 7;
const int MAX = 2e5 + 1;
const int INF = 1e18;
const ld PI = acos((ld)-1);
int ar[100001];
void solve() {
int n, k;
cin >> n >> k;
fou(i, 1,n ) {
cin >> ar[i];
}
int res = ar[n] - ar[1] + 1;
vector<int> v;
fou(i, 2, n) {
v.pb(ar[i] - ar[i - 1] + 1);
}
sort(v.begin(), v.end(), greater<int>());
fou(i ,0, k-1) {
ans -= v[i];
}
cout << ans;
}
signed main() {
FIO;
//freopen(TASK".inp", "r", stdin); freopen(TASK".out", "w", stdout);
int Q = 1;
//cin >> Q;
while(Q--) {
solve();
}
}
Compilation message
stove.cpp: In function 'void solve()':
stove.cpp:78:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
78 | ans -= v[i];
| ^~~
| abs
stove.cpp:80:13: error: 'ans' was not declared in this scope; did you mean 'abs'?
80 | cout << ans;
| ^~~
| abs
stove.cpp:71:9: warning: unused variable 'res' [-Wunused-variable]
71 | int res = ar[n] - ar[1] + 1;
| ^~~
