Submission #734393

#TimeUsernameProblemLanguageResultExecution timeMemory
734393AmaarsaaGlobal Warming (NOI13_gw)C++14
6 / 40
1065 ms58188 KiB
#include<bits/stdc++.h> using namespace std; using ll = long long; ll n, ans, p, j, s, x; int main() { ll i, t, r; cin >> n; map < int, bool > Used; vector < pair < ll, ll > > v; v.push_back(make_pair(-1, -1)); for ( i = 1; i <= n; i ++) { cin >> x; v.push_back(make_pair(x, i)); } ans = 0; sort ( v.begin(), v.end()); r = 0; for ( i = n; i >= 1; i --) { x = v[i].second; if ( v[i].first != v[i - 1].first) { ans ++; if ( Used[x + 1] == 1) ans --; if ( Used[x - 1] == 1) ans --; Used[x] = 1; } r = max (r, ans); } cout << r << endl; }

Compilation message (stderr)

gw.cpp: In function 'int main()':
gw.cpp:7:8: warning: unused variable 't' [-Wunused-variable]
    7 |  ll i, t, r;
      |        ^
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