Submission #490594

#TimeUsernameProblemLanguageResultExecution timeMemory
490594inksamuraiSjeckanje (COCI21_sjeckanje)C++17
15 / 110
2079 ms456 KiB
#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; vec(ll) 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; vec(ll) dp(n+1); dp[0]=0; rep(i,n){ ll _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; }
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