Submission #90718

#TimeUsernameProblemLanguageResultExecution timeMemory
90718Ahmad_ElsisyUzastopni (COCI17_uzastopni)C++14
0 / 80
3 ms804 KiB
#include <bits/stdc++.h> #define pb push_back #define all(v) (v).begin() , (v).end() #define popcnt(x) __builtin_popcount(x) #define inf 0x3f3f3f3f #define watch(x) cout << (#x) << " is " << (x) << endl using namespace std; typedef long long ll; int dx[] = {0 , 0 , 1 , -1 , 1 , 1 , -1 , -1}; int dy[] = {1 ,-1 , 0 , 0 , -1 , 1 , 1 , -1}; int main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r" , stdin); #endif ios::sync_with_stdio(0) , cin.tie(0) , cout.tie(0); ll N; cin >> N; vector<pair<ll , ll> > res; for(ll cur = 2 ; cur * (cur + 1) / 2 <= N ; ++cur){ if((N * 2) % cur == 0){ ll s = N * 2 / cur; ll y = (s + cur - 1) / 2; ll x = y - cur + 1; if((x + y) * cur / 2 == N)res.pb({x , y}); } } for(auto e : res) cout << e.first << ' ' << e.second << '\n'; }

Compilation message (stderr)

uzastopni.cpp: In function 'int main()':
uzastopni.cpp:16:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   freopen("input.txt", "r" , stdin);
   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
#Verdict Execution timeMemoryGrader output
Fetching results...