제출 #1188078

#제출 시각아이디문제언어결과실행 시간메모리
1188078qrnSjeckanje (COCI21_sjeckanje)C++20
0 / 110
8 ms320 KiB
#include <bits/stdc++.h> // #include <ext/pb_ds/assoc_container.hpp> using namespace std; // using namespace __gnu_pbds; #define pb push_back #define ins insert #define fi first #define se second #define endl "\n" #define ALL(x) x.begin(), x.end() #define intt int const intt mod = 1e9 + 7; const intt base = 9973; const intt inf = 1e9; const intt mxN = 5e5 + 5; const intt L = 21; void solve() { intt N, Q; cin >> N >> Q; vector<intt> A(N); for(auto &a : A) cin >> a; while(Q--){ intt l, r, val; cin >> l >> r >> val; --l; --r; for(intt i = l; i <= r; i++) { A[i] += val; } vector<intt> dp(N, 0ll); dp[0] = 0; // for(intt i = 0; i < N; i++) { // cout << A[i] << " "; // } // cout << endl; for(intt i = 1; i < N; i++) { intt maks = A[i], mini = A[i]; for(intt j = i - 1; j >= 0; j--) { maks = max(maks, A[j]); mini = min(mini, A[j]); if(j - 1 >= 0) dp[i] = max(dp[i], dp[j-1] + abs(maks - mini)); else dp[i] = max(dp[i], abs(maks - mini)); // if(i == 3 && j == 2) { // cout << maks << " " << mini << " ALKSNFKL" << endl; // } } } cout << dp[N-1] << endl; } } signed main() { ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL); intt tst = 1; // cin >> tst; while(tst--) { solve(); } }
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