Task: | Equilateral numbers |
Sender: | asdf4321 |
Submission time: | 2024-11-16 15:19:58 +0200 |
Language: | C++ (C++17) |
Status: | READY |
Result: | ACCEPTED |
test | verdict | time | |
---|---|---|---|
#1 | ACCEPTED | 0.00 s | details |
#2 | ACCEPTED | 0.00 s | details |
#3 | ACCEPTED | 0.00 s | details |
#4 | ACCEPTED | 0.00 s | details |
#5 | ACCEPTED | 0.00 s | details |
#6 | ACCEPTED | 0.02 s | details |
#7 | ACCEPTED | 0.00 s | details |
#8 | ACCEPTED | 0.10 s | details |
#9 | ACCEPTED | 0.04 s | details |
#10 | ACCEPTED | 0.03 s | details |
#11 | ACCEPTED | 0.05 s | details |
#12 | ACCEPTED | 0.13 s | details |
Code
#include <bits/stdc++.h> using namespace std; #define int long long #define rep(i, a, b) for (int i = a; i < (b); i++) #define all(x) begin(x), end(x) #define sz(x) (int)(x).size() typedef long long ll; typedef pair<int, int> pii; typedef vector<int> vi; vi num; bool Exist(int x) { auto it = lower_bound(all(num), x); if(it == num.end()) return false; return (*it) == x; } signed main() { #ifdef LOCAL freopen(".inp", "r", stdin); freopen(".out", "w", stdout); #endif int n, now = 0; cin >> n; for (int i = 1; now <= n; i++) { now += i; num.push_back(now); } if(Exist(n)) { cout << 1; return 0; } for(int x: num) { int t = n - x; if(Exist(t)) { cout << 2; return 0; } } cout << 3; return 0; }
Test details
Test 1
Verdict: ACCEPTED
input |
---|
1 |
correct output |
---|
1 |
user output |
---|
1 |
Test 2
Verdict: ACCEPTED
input |
---|
2 |
correct output |
---|
2 |
user output |
---|
2 |
Test 3
Verdict: ACCEPTED
input |
---|
3 |
correct output |
---|
1 |
user output |
---|
1 |
Test 4
Verdict: ACCEPTED
input |
---|
5 |
correct output |
---|
3 |
user output |
---|
3 |
Test 5
Verdict: ACCEPTED
input |
---|
33 |
correct output |
---|
3 |
user output |
---|
3 |
Test 6
Verdict: ACCEPTED
input |
---|
12385719843 |
correct output |
---|
3 |
user output |
---|
3 |
Test 7
Verdict: ACCEPTED
input |
---|
10935032 |
correct output |
---|
3 |
user output |
---|
3 |
Test 8
Verdict: ACCEPTED
input |
---|
659023495928 |
correct output |
---|
3 |
user output |
---|
3 |
Test 9
Verdict: ACCEPTED
input |
---|
913591235689 |
correct output |
---|
2 |
user output |
---|
2 |
Test 10
Verdict: ACCEPTED
input |
---|
999999911791 |
correct output |
---|
1 |
user output |
---|
1 |
Test 11
Verdict: ACCEPTED
input |
---|
1000000000000 |
correct output |
---|
2 |
user output |
---|
2 |
Test 12
Verdict: ACCEPTED
input |
---|
999999999998 |
correct output |
---|
3 |
user output |
---|
3 |