Submission #1605664
Source Code Expand
#include <bits/stdc++.h> using namespace std; #define N_MAX 100000 int X[N_MAX]; int N, Q; void swap(int a, int b) { int tmp = X[a]; X[a] = X[b]; X[b] = tmp; return; } void move(int cur) { if(0 < cur && X[cur - 1] == 0) X[cur - 1] = 1; if(cur < N - 1 && X[cur + 1] == 0) X[cur + 1] = 1; return; } int main() { cin >> N >> Q; for(int i = 0; i < N_MAX; i++) { X[i] = 0; } int cur = 0; int A, B; X[0] = X[1] = 1; for(int i = 0; i < Q; i++) { cin >> A >> B; A--, B--; if(A == cur) cur = B; else if(B == cur) cur = A; swap(A, B); move(cur); } move(cur); int S = 0; for(int i = 0; i < N; i++) { S += X[i]; } cout << S << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | G - Magician |
User | pinkspring |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 714 Byte |
Status | AC |
Exec Time | 72 ms |
Memory | 640 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 100 / 100 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample_01.txt, sample_02.txt |
All | sample_01.txt, sample_02.txt, sample_01.txt, sample_02.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 1 ms | 640 KB |
sample_02.txt | AC | 1 ms | 640 KB |
subtask1_01.txt | AC | 71 ms | 640 KB |
subtask1_02.txt | AC | 71 ms | 640 KB |
subtask1_03.txt | AC | 72 ms | 640 KB |
subtask1_04.txt | AC | 68 ms | 640 KB |
subtask1_05.txt | AC | 72 ms | 640 KB |
subtask1_06.txt | AC | 70 ms | 640 KB |
subtask1_07.txt | AC | 72 ms | 640 KB |
subtask1_08.txt | AC | 70 ms | 640 KB |
subtask1_09.txt | AC | 72 ms | 640 KB |
subtask1_10.txt | AC | 72 ms | 640 KB |
subtask1_11.txt | AC | 72 ms | 640 KB |
subtask1_12.txt | AC | 71 ms | 640 KB |
subtask1_13.txt | AC | 71 ms | 640 KB |
subtask1_14.txt | AC | 72 ms | 640 KB |
subtask1_15.txt | AC | 72 ms | 640 KB |
subtask1_16.txt | AC | 70 ms | 640 KB |
subtask1_17.txt | AC | 72 ms | 640 KB |
subtask1_18.txt | AC | 71 ms | 640 KB |
subtask1_19.txt | AC | 72 ms | 640 KB |