Submission #490593

#	Time	Username	Problem	Language	Result	Execution time	Memory
490593		inksamurai	Sjeckanje (COCI21_sjeckanje)	C++17	0 / 110	10 ms	320 KiB

Main

#include <bits/stdc++.h>
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
#define rep(i,n) for(int i=0;i<n;i++)
#define crep(i,x,n) for(int i=x;i<n;i++)
#define drep(i,n) for(int i=n-1;i>=0;i--)
#define vec(...) vector<__VA_ARGS__>
#define _31av4qi ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
using pii=pair<int,int>;
using vi=vector<int>;
 
int sgn(int x){
	return x>=0?1:-1;
}
 
int main(){
_31av4qi;
	int n,q;
	cin>>n>>q;
	vi a(n);
	rep(i,n){
		cin>>a[i];
	}
	vi _d(n);
	rep(cs,q){
		int l,r,x;
		cin>>l>>r>>x;
		l--,r--;
		crep(i,l,r+1) a[i]+=x;
		ll ans=0;
		vec(ll) dp(n+1);
		dp[0]=0;
		rep(i,n){
			int _v0=a[i],_v1=a[i];
			drep(j,i){
				_v0=max(_v0,a[j]);
				_v1=min(_v1,a[j]);
				dp[i+1]=max(dp[i+1],dp[j]+_v0-_v1);
			}
		}
		cout<<dp[n]<<"\n";
	}
//	
	return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:36:6: warning: unused variable 'ans' [-Wunused-variable]
   36 |   ll ans=0;
      |      ^~~

• Subtask 1: 0 / 15
• Subtask 2: 0 / 40
• Subtask 3: 0 / 55