Submission #1172979
Source Code Expand
#include<cstdio> #include <iostream> #include<algorithm> #include<string> #include<queue> #include<vector> #include<functional> #include<cmath> #include<map> #include<stack> #include<set> #include<numeric> #define rep(i,n) for(int i=0; i<int(n); i++) using namespace std; typedef long long ll; typedef pair<int, int>P; vector<int> A[100010]; int main() { int N; cin >> N; for (int i = 0; i < N; i++) { int x; cin >> x; A[x].push_back(i); } int ans = 0; int pos = 100010; int i,j; for (i = 0; i < 100010; i++) { if (A[i].size()) { for (j = 0; j < A[i].size(); j++) if (A[i][j] > pos) break; if (j == 0) pos = A[i].back(); //前の位置 else { ans++; pos = A[i][j - 1]; //前の位置 } } } if (pos == 0)ans--; //最後の位置がNだったら1引く cout << ans << endl; return 0; }
Submission Info
Submission Time | |
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Task | B - ディスコ社内ツアー |
User | jj |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 886 Byte |
Status | AC |
Exec Time | 46 ms |
Memory | 5760 KB |
Judge Result
Set Name | Sample | Small | Permutation | All | ||||||||
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Score / Max Score | 0 / 0 | 20 / 20 | 10 / 10 | 70 / 70 | ||||||||
Status |
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Set Name | Test Cases |
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Sample | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 00_example_04.txt |
Small | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 00_example_04.txt, 10_rand_01.txt, 10_rand_02.txt, 10_rand_03.txt, 10_rand_04.txt, 10_rand_05.txt, 10_rand_06.txt, 10_rand_07.txt, 10_rand_08.txt, 20_perm_01.txt, 20_perm_02.txt, 20_perm_03.txt, 20_perm_04.txt, 20_perm_05.txt, 20_perm_06.txt, 20_perm_07.txt, 20_perm_08.txt, 30_hand_01.txt, 30_hand_02.txt, 30_hand_03.txt, 30_hand_04.txt, 30_hand_05.txt, 30_hand_06.txt |
Permutation | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 20_perm_01.txt, 20_perm_02.txt, 20_perm_03.txt, 20_perm_04.txt, 20_perm_05.txt, 20_perm_06.txt, 20_perm_07.txt, 20_perm_08.txt, 30_hand_01.txt, 30_hand_02.txt, 60_perm_01.txt, 60_perm_02.txt, 60_perm_03.txt, 60_perm_04.txt, 60_perm_05.txt, 60_perm_06.txt, 60_perm_07.txt, 60_perm_08.txt, 70_hand_01.txt, 70_hand_02.txt |
All | 00_example_01.txt, 00_example_02.txt, 00_example_03.txt, 00_example_04.txt, 10_rand_01.txt, 10_rand_02.txt, 10_rand_03.txt, 10_rand_04.txt, 10_rand_05.txt, 10_rand_06.txt, 10_rand_07.txt, 10_rand_08.txt, 20_perm_01.txt, 20_perm_02.txt, 20_perm_03.txt, 20_perm_04.txt, 20_perm_05.txt, 20_perm_06.txt, 20_perm_07.txt, 20_perm_08.txt, 30_hand_01.txt, 30_hand_02.txt, 30_hand_03.txt, 30_hand_04.txt, 30_hand_05.txt, 30_hand_06.txt, 50_rand_01.txt, 50_rand_02.txt, 50_rand_03.txt, 50_rand_04.txt, 50_rand_05.txt, 50_rand_06.txt, 50_rand_07.txt, 50_rand_08.txt, 60_perm_01.txt, 60_perm_02.txt, 60_perm_03.txt, 60_perm_04.txt, 60_perm_05.txt, 60_perm_06.txt, 60_perm_07.txt, 60_perm_08.txt, 70_hand_01.txt, 70_hand_02.txt, 70_hand_03.txt, 70_hand_04.txt, 70_hand_05.txt, 70_hand_06.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_example_01.txt | AC | 2 ms | 2560 KB |
00_example_02.txt | AC | 2 ms | 2560 KB |
00_example_03.txt | AC | 2 ms | 2560 KB |
00_example_04.txt | AC | 2 ms | 2560 KB |
10_rand_01.txt | AC | 2 ms | 2560 KB |
10_rand_02.txt | AC | 2 ms | 2560 KB |
10_rand_03.txt | AC | 2 ms | 2560 KB |
10_rand_04.txt | AC | 2 ms | 2560 KB |
10_rand_05.txt | AC | 2 ms | 2560 KB |
10_rand_06.txt | AC | 2 ms | 2560 KB |
10_rand_07.txt | AC | 2 ms | 2560 KB |
10_rand_08.txt | AC | 2 ms | 2560 KB |
20_perm_01.txt | AC | 2 ms | 2560 KB |
20_perm_02.txt | AC | 2 ms | 2560 KB |
20_perm_03.txt | AC | 2 ms | 2560 KB |
20_perm_04.txt | AC | 2 ms | 2560 KB |
20_perm_05.txt | AC | 2 ms | 2560 KB |
20_perm_06.txt | AC | 2 ms | 2560 KB |
20_perm_07.txt | AC | 2 ms | 2560 KB |
20_perm_08.txt | AC | 2 ms | 2560 KB |
30_hand_01.txt | AC | 2 ms | 2560 KB |
30_hand_02.txt | AC | 2 ms | 2560 KB |
30_hand_03.txt | AC | 2 ms | 2560 KB |
30_hand_04.txt | AC | 2 ms | 2560 KB |
30_hand_05.txt | AC | 2 ms | 2560 KB |
30_hand_06.txt | AC | 2 ms | 2560 KB |
50_rand_01.txt | AC | 14 ms | 2944 KB |
50_rand_02.txt | AC | 24 ms | 3328 KB |
50_rand_03.txt | AC | 24 ms | 3328 KB |
50_rand_04.txt | AC | 20 ms | 3200 KB |
50_rand_05.txt | AC | 9 ms | 2816 KB |
50_rand_06.txt | AC | 3 ms | 2560 KB |
50_rand_07.txt | AC | 6 ms | 2688 KB |
50_rand_08.txt | AC | 20 ms | 3200 KB |
60_perm_01.txt | AC | 17 ms | 3712 KB |
60_perm_02.txt | AC | 30 ms | 4736 KB |
60_perm_03.txt | AC | 31 ms | 4736 KB |
60_perm_04.txt | AC | 24 ms | 4224 KB |
60_perm_05.txt | AC | 11 ms | 3328 KB |
60_perm_06.txt | AC | 3 ms | 2560 KB |
60_perm_07.txt | AC | 7 ms | 2944 KB |
60_perm_08.txt | AC | 25 ms | 4352 KB |
70_hand_01.txt | AC | 43 ms | 5760 KB |
70_hand_02.txt | AC | 42 ms | 5760 KB |
70_hand_03.txt | AC | 29 ms | 3196 KB |
70_hand_04.txt | AC | 28 ms | 3196 KB |
70_hand_05.txt | AC | 46 ms | 4608 KB |
70_hand_06.txt | AC | 29 ms | 3200 KB |