Submission #1020641

#	Time	Username	Problem	Language	Result	Execution time	Memory
1020641		modwwe	Stove (JOI18_stove)	C++17	100 / 100	22 ms	3388 KiB

stove

//https://www.instagram.com/_modwwe/
#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2")
#include<bits/stdc++.h>
#define int long long
//#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define NHP     ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe  int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
void phongbeo();
const int inf=1e18;
const int mod2=1e9+7;
const int  mod1=998244353;
struct icd
{
    int a,b;
};
struct ib
{
    int a;
    int b;
};
struct ic
{
    int a,b,c;
};
struct id
{
    int a,b,c,d;
};
struct ie
{
    int a,b,c, d,e,f;

};
int n,m,s1,s2,s4,s3,sf,k,r,mid,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,l,l2,r2;
int  i,s10,s12;
int el=29;
main()
{
#ifndef ONLINE_JUDGE
    // fin(task),fou(task);
#endif
    NHP
    /// cin>>s1;
    //  modwwe
    phongbeo();
}
int a[1000001];
vector<int> v;
void phongbeo()
 {
        cin>>n>>m;
        m=n-m;
         for(int i=1;i<=n;i++)
             cin>>a[i];
             s2=n;
         for(int i=n;i>=2;--i)
            v.pb(a[i]-a[i-1]-1);
          sort(v.begin(),v.end());
        for(int i=0;i<m;i++)
            s2+=v[i];
         cout<<s2;
 }

Compilation message (stderr)

stove.cpp:48:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   48 | main()
      | ^~~~
stove.cpp: In function 'void phongbeo()':
stove.cpp:64:10: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   64 |          for(int i=1;i<=n;i++)
      |          ^~~
stove.cpp:66:14: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   66 |              s2=n;
      |              ^~

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50