Submission #1261741

#TimeUsernameProblemLanguageResultExecution timeMemory
1261741KALARRYSjeckanje (COCI21_sjeckanje)C++20
15 / 110
2095 ms520 KiB
//chockolateman #include<bits/stdc++.h> using namespace std; long long N,Q,a[200005],dp[200005]; long long calc() { long long ret = 0; for(int i = 1 ; i <= N ; i++) { dp[i] = dp[i-1]; long long maxim = a[i]; long long minim = a[i]; for(int j = i-1 ; j >= 1 && (maxim==a[i]||minim==a[i]) ; j--) { if(a[j] <= maxim && a[j] >= minim) continue; maxim = max(maxim,a[j]); minim = min(minim,a[j]); dp[i] = max(dp[i],maxim - minim + dp[j-1]); } } return dp[N]; } int main() { scanf("%lld%lld",&N,&Q); for(int i = 1 ; i <= N ; i++) scanf("%lld",&a[i]); for(int l,r,x,i = 1 ; i <= Q ; i++) { scanf("%d%d%d",&l,&r,&x); for(int j = l ; j <= r ; j++) a[j] += x; printf("%lld\n",calc()); } return 0; }

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:31:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |     scanf("%lld%lld",&N,&Q);
      |     ~~~~~^~~~~~~~~~~~~~~~~~
Main.cpp:33:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |         scanf("%lld",&a[i]);
      |         ~~~~~^~~~~~~~~~~~~~
Main.cpp:36:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |         scanf("%d%d%d",&l,&r,&x);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~
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