Submission #1751231
Source Code Expand
#include <bits/stdc++.h> using namespace std; int n; const int N = 200000; int ai[N], bi[N]; int check(int t) { for (int i = 1; i < 2 * n; ++ i) bi[i] = ai[i] >= t; int mid = 1e9, res = bi[n] ^ !(n & 1); for (int i = n - 1; i >= 1; -- i) if (bi[i] == bi[i + 1] && n - i < mid) { mid = n - i; res = bi[i]; } for (int i = n + 1; i < n * 2; ++ i) if (bi[i] == bi[i - 1] && i - n < mid) { mid = i - n; res = bi[i]; } return res ;} int main() { scanf("%d", &n); for (int i = 1; i < n * 2; ++ i) scanf("%d", &ai[i]); int l = 1, r = n * 2 - 1; while (l < r) { int m = (l + r + 1) / 2; // cerr << l << " " << r << " " << m << endl; if (check(m)) l = m; else r = m - 1; } printf("%d\n", r); }
Submission Info
Submission Time | |
---|---|
Task | D - Median Pyramid Hard |
User | AwD |
Language | C++14 (GCC 5.4.1) |
Score | 1300 |
Code Size | 888 Byte |
Status | AC |
Exec Time | 41 ms |
Memory | 1792 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:26:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ ./Main.cpp:27:57: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (int i = 1; i < n * 2; ++ i) scanf("%d", &ai[i]); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1300 / 1300 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 0_00.txt, 0_01.txt |
All | 0_00.txt, 0_01.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt, 1_54.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_00.txt | AC | 1 ms | 256 KB |
0_01.txt | AC | 1 ms | 256 KB |
1_00.txt | AC | 1 ms | 256 KB |
1_01.txt | AC | 1 ms | 256 KB |
1_02.txt | AC | 1 ms | 256 KB |
1_03.txt | AC | 26 ms | 1792 KB |
1_04.txt | AC | 26 ms | 1792 KB |
1_05.txt | AC | 25 ms | 1792 KB |
1_06.txt | AC | 25 ms | 1792 KB |
1_07.txt | AC | 25 ms | 1792 KB |
1_08.txt | AC | 25 ms | 1792 KB |
1_09.txt | AC | 26 ms | 1792 KB |
1_10.txt | AC | 26 ms | 1792 KB |
1_11.txt | AC | 25 ms | 1792 KB |
1_12.txt | AC | 25 ms | 1792 KB |
1_13.txt | AC | 25 ms | 1792 KB |
1_14.txt | AC | 25 ms | 1792 KB |
1_15.txt | AC | 40 ms | 1792 KB |
1_16.txt | AC | 39 ms | 1792 KB |
1_17.txt | AC | 40 ms | 1792 KB |
1_18.txt | AC | 40 ms | 1792 KB |
1_19.txt | AC | 27 ms | 1792 KB |
1_20.txt | AC | 26 ms | 1792 KB |
1_21.txt | AC | 27 ms | 1792 KB |
1_22.txt | AC | 27 ms | 1792 KB |
1_23.txt | AC | 28 ms | 1792 KB |
1_24.txt | AC | 28 ms | 1792 KB |
1_25.txt | AC | 37 ms | 1792 KB |
1_26.txt | AC | 28 ms | 1792 KB |
1_27.txt | AC | 39 ms | 1792 KB |
1_28.txt | AC | 29 ms | 1792 KB |
1_29.txt | AC | 28 ms | 1792 KB |
1_30.txt | AC | 35 ms | 1792 KB |
1_31.txt | AC | 26 ms | 1792 KB |
1_32.txt | AC | 34 ms | 1792 KB |
1_33.txt | AC | 31 ms | 1792 KB |
1_34.txt | AC | 28 ms | 1792 KB |
1_35.txt | AC | 32 ms | 1792 KB |
1_36.txt | AC | 32 ms | 1792 KB |
1_37.txt | AC | 36 ms | 1792 KB |
1_38.txt | AC | 29 ms | 1792 KB |
1_39.txt | AC | 35 ms | 1792 KB |
1_40.txt | AC | 37 ms | 1792 KB |
1_41.txt | AC | 27 ms | 1792 KB |
1_42.txt | AC | 35 ms | 1792 KB |
1_43.txt | AC | 30 ms | 1792 KB |
1_44.txt | AC | 35 ms | 1792 KB |
1_45.txt | AC | 27 ms | 1792 KB |
1_46.txt | AC | 34 ms | 1792 KB |
1_47.txt | AC | 41 ms | 1792 KB |
1_48.txt | AC | 41 ms | 1792 KB |
1_49.txt | AC | 40 ms | 1792 KB |
1_50.txt | AC | 41 ms | 1792 KB |
1_51.txt | AC | 40 ms | 1792 KB |
1_52.txt | AC | 41 ms | 1792 KB |
1_53.txt | AC | 41 ms | 1792 KB |
1_54.txt | AC | 41 ms | 1792 KB |