Submission #249491

#TimeUsernameProblemLanguageResultExecution timeMemory
249491VimmerUzastopni (COCI17_uzastopni)C++14
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> //#include <ext/pb_ds/assoc_container.hpp> //#include <ext/pb_ds/tree_policy.hpp> #pragma GCC optimize("unroll-loops") #pragma GCC optimize("-O3") #pragma GCC optimize("Ofast") //#pragma GCC optimize("fast-math") //#pragma GCC optimize("no-stack-protector") #define F first #define S second #define sz(x) int(x.size()) #define pb push_back #define pf push_front #define N 100010 #define M ll(1e9 + 7) #define inf 1e9 + 1e9 using namespace std; //using namespace __gnu_pbds; typedef long double ld; typedef long long ll; typedef short int si; typedef array <int, 6> a6; //typedef tree <int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; int main() { //freopen("input.txt", "r", stdin); freopen("output4.txt", "w", stdout); ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0); ll n; cin >> n; for (ll i = 2; i <= 5 * sg; i++) for (ll start = max(1ll, n / i - 100); start <= min(n, n / i + 100); start++) { ll l = 2, r = n; while (l < r) { ll md = (l + r) / 2; if (start * md + (md * (md - 1)) / 2 < n) l = md + 1; else r = md; } if (start * l + (l * (l - 1)) / 2 == n) ans.pb({start, start + l - 1}); } }

Compilation message (stderr)

uzastopni.cpp: In function 'int main()':
uzastopni.cpp:40:29: error: 'sg' was not declared in this scope
     for (ll i = 2; i <= 5 * sg; i++)
                             ^~
uzastopni.cpp:40:29: note: suggested alternative: 'si'
     for (ll i = 2; i <= 5 * sg; i++)
                             ^~
                             si
uzastopni.cpp:52:50: error: 'ans' was not declared in this scope
          if (start * l + (l * (l - 1)) / 2 == n) ans.pb({start, start + l - 1});
                                                  ^~~
uzastopni.cpp:52:50: note: suggested alternative: 'abs'
          if (start * l + (l * (l - 1)) / 2 == n) ans.pb({start, start + l - 1});
                                                  ^~~
                                                  abs