Submission #1095411

#TimeUsernameProblemLanguageResultExecution timeMemory
1095411KasymKBigger segments (IZhO19_segments)C++17
37 / 100
5 ms604 KiB
#include "bits/stdc++.h" using namespace std; #define ff first #define ss second #define all(v) v.begin(), v.end() #define ll long long #define pb push_back #define pii pair<int, int> #define pli pair<ll, int> #define pll pair<ll, ll> #define tr(i, c) for(auto i = c.begin(); i != c.end(); ++i) #define wr puts("----------------") template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;} template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;} const int N = 3e3+5; pli dp[N]; ll par[N]; int main(){ int n; scanf("%d", &n); for(int i = 1; i <= n; ++i){ int x; scanf("%d", &x); par[i] = par[i-1]+x; } dp[1] = {par[1], 1}; for(int i = 1; i <= n; ++i) for(int j = i; j >= 1; --j) if(par[i]-par[j-1] >= dp[j-1].ff) if(umax(dp[i].ss, dp[j-1].ss+1)) dp[i].ff = par[i]-par[j-1]; printf("%d\n", dp[n].ss); return 0; }

Compilation message (stderr)

segments.cpp: In function 'int main()':
segments.cpp:21:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
segments.cpp:24:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |         scanf("%d", &x);
      |         ~~~~~^~~~~~~~~~
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