Submission #992165
Source Code Expand
#include <algorithm> #include <cmath> #include <cstdio> #include <cstdlib> #include <cstring> #include <iostream> #include <map> #include <queue> #include <set> #include <sstream> #include <string> #include <vector> #include <cassert> using namespace std; using ll = long long; #define all(c) (c).begin(), (c).end() #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define pb(e) push_back(e) #define mp(a, b) make_pair(a, b) #define fr first #define sc second const ll INF = 1e9; const ll MOD = 1e9 + 7; int dx[4] = {1, 0, -1, 0}; int dy[4] = {0, 1, 0, -1}; ll N; bool ok(ll i) { ll d = N - i; return i * (i - 1) / 2 >= d; } int main() { cin >> N; if (N == 1) { cout << "1" << endl; return 0; } ll lb = 0; ll ub = N; while (ub - lb > 1) { ll mid = (ub + lb) / 2; if (ok(mid)) ub = mid; else lb = mid; } cout << ub << endl; ll d = N - ub; for (int i = ub - 1; i > 0; i--) { if (d - i >= 0) { cout << i << endl; d -= i; } } assert(d == 0); return 0; }
Submission Info
Submission Time | |
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Task | B - Exactly N points |
User | odan |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 1184 Byte |
Status | AC |
Exec Time | 21 ms |
Memory | 256 KB |
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | 100 / 100 | ||||||
Status |
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Set Name | Test Cases |
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sample | sample-01.txt, sample-02.txt, sample-03.txt |
dataset1 | sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt |
dataset2 | sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 2 ms | 256 KB |
01-02.txt | AC | 2 ms | 256 KB |
01-03.txt | AC | 2 ms | 256 KB |
01-04.txt | AC | 2 ms | 256 KB |
01-05.txt | AC | 2 ms | 256 KB |
01-06.txt | AC | 2 ms | 256 KB |
01-07.txt | AC | 3 ms | 256 KB |
01-08.txt | AC | 3 ms | 256 KB |
01-09.txt | AC | 3 ms | 256 KB |
01-10.txt | AC | 2 ms | 256 KB |
02-01.txt | AC | 21 ms | 256 KB |
02-02.txt | AC | 21 ms | 256 KB |
02-03.txt | AC | 21 ms | 256 KB |
02-04.txt | AC | 21 ms | 256 KB |
02-05.txt | AC | 20 ms | 256 KB |
02-06.txt | AC | 12 ms | 256 KB |
02-07.txt | AC | 9 ms | 256 KB |
02-08.txt | AC | 20 ms | 256 KB |
sample-01.txt | AC | 2 ms | 256 KB |
sample-02.txt | AC | 2 ms | 256 KB |
sample-03.txt | AC | 2 ms | 256 KB |