oj.uz

Submission #468401

# Submission time Handle Problem Language Result Execution time Memory
468401 2021-08-28T02:50:52 Z LptN21 Uzastopni (COCI17_uzastopni) C++14
80 / 80
 2 ms 204 KB 
#include <bits/stdc++.h>
using namespace std;
#define fastIO ios_base::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL)
#define PI acos(-1.0)
#define FF first
#define SS second
#define eps 1e-9
// vector
#define pb push_back
#define sz(v) int((v).size())
#define all(v) (v).begin(), (v).end()
#define lb lower_bound
#define ub upper_bound
// bit
#define CNTBIT(x) __builtin_popcount(x)
#define ODDBIT(x) __builtin_parity(x)
#define MASK(i) (1<<(i))
#define BIT(x, i) (((x)>>(i))&1)
#define SUBSET(big, small) (((big)&(small))==(small))
// typedef
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<int, int> ii;
typedef pair<int, ii> i3;
/* CODE BELOW */
const int N=10000+7, M=2e5+7, K=4;
const int MOD=1e9+7;
const int oo=1e9+7;

int n, m, k, t;



signed main() {
    //freopen("test.inp", "r", stdin);
    //freopen("test.out", "w", stdout);
    //fastIO;
    //scanf("%d", &t);
    //while(t--) {
    ll n;
        scanf("%lld", &n);
        for(ll i=1;i*i+i<2*n;i++) {
            ll x=2*n-i*i-i, y=2*i+2;
            if(x%y) continue;
            printf("%lld %lld\n", x/y, x/y+i);
        }
    //}
    return 0;
}
/* stuff you should look for
    - int overflow, array bounds
    - special/edge cases (n=1?)
    - do smth instead of nothing and stay organized
    - WRITE STUFF DOWN
    - DONT JUST STICK ON ONE APPROACH
*/

Compilation message

uzastopni.cpp: In function 'int main()':
uzastopni.cpp:42:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 |         scanf("%lld", &n);
      |         ~~~~~^~~~~~~~~~~~

Subtask #1
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 2 ms 204 KB Output is correct