Submission #2205377
Source Code Expand
#include <bits/stdc++.h> using namespace std; using ll = long long; using P = pair<int, int>; const int INF = 1e9; const int MOD = 1e9 + 7; // 4近傍、8近傍 int dx[] = {1, 0, -1, 0, 1, -1, -1, 1}; int dy[] = {0, 1, 0, -1, 1, 1, -1, -1}; int x[10000]; int y[10000]; int main() { // 入力 int N; cin >> N; int a[N]; for (int i = 0; i < N; i++) cin >> a[i]; P mini, maxi; mini.first = INF; maxi.first = -INF; for (int i = 0; i < N; i++) { if (mini.first > a[i]) { mini = P(a[i], i); } if (maxi.first < a[i]) { maxi = P(a[i], i); } } int m = 0; for (int i = 0; i < N - 1; i++) { if (a[i] <= a[i+1]) continue; if (maxi.first > -mini.first) { while (a[i] > a[i+1]) { a[i+1] += maxi.first; x[m] = maxi.second; y[m] = i + 1; m++; } if (maxi.first < a[i+1]) { maxi.first = a[i+1]; maxi.second = i + 1; } } else { while (a[i] > a[i+1]) { a[i] += mini.first; x[m] = mini.second; y[m] = i; m++; } if (mini.first > a[i]) { mini.first = a[i]; mini.second = i; } } if (m > 2 * N) break; } // 解答 if (m > 2 * N) { cout << 0 << endl; } else { cout << m << endl; for (int i = 0; i < m; i++) { cout << x[i] + 1 << " " << y[i] + 1 << endl; } } return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Non-decreasing |
User | university |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1483 Byte |
Status | WA |
Exec Time | 1 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 600 | ||||||
Status |
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Set Name | Test Cases |
---|---|
Sample | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt |
All | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_example_01.txt | AC | 1 ms | 256 KB |
00_example_02.txt | AC | 1 ms | 256 KB |
00_example_03.txt | AC | 1 ms | 256 KB |
01.txt | WA | 1 ms | 256 KB |
02.txt | WA | 1 ms | 256 KB |
03.txt | WA | 1 ms | 256 KB |
04.txt | AC | 1 ms | 256 KB |
05.txt | WA | 1 ms | 256 KB |
06.txt | WA | 1 ms | 256 KB |
07.txt | WA | 1 ms | 256 KB |
08.txt | WA | 1 ms | 256 KB |
09.txt | WA | 1 ms | 256 KB |
10.txt | WA | 1 ms | 256 KB |
11.txt | WA | 1 ms | 256 KB |
12.txt | WA | 1 ms | 256 KB |
13.txt | AC | 1 ms | 256 KB |
14.txt | AC | 1 ms | 256 KB |
15.txt | AC | 1 ms | 256 KB |
16.txt | WA | 1 ms | 256 KB |
17.txt | WA | 1 ms | 256 KB |
18.txt | WA | 1 ms | 256 KB |
19.txt | AC | 1 ms | 256 KB |
20.txt | AC | 1 ms | 256 KB |
21.txt | WA | 1 ms | 256 KB |
22.txt | WA | 1 ms | 256 KB |
23.txt | WA | 1 ms | 256 KB |
24.txt | WA | 1 ms | 256 KB |
25.txt | WA | 1 ms | 256 KB |
26.txt | AC | 1 ms | 256 KB |
27.txt | WA | 1 ms | 256 KB |
28.txt | WA | 1 ms | 256 KB |
29.txt | WA | 1 ms | 256 KB |
30.txt | WA | 1 ms | 256 KB |
31.txt | AC | 1 ms | 256 KB |
32.txt | AC | 1 ms | 256 KB |
33.txt | AC | 1 ms | 256 KB |
34.txt | AC | 1 ms | 256 KB |
35.txt | AC | 1 ms | 256 KB |
36.txt | WA | 1 ms | 256 KB |
37.txt | WA | 1 ms | 256 KB |
38.txt | AC | 1 ms | 256 KB |
39.txt | AC | 1 ms | 256 KB |