Submission #1560320
Source Code Expand
#define _CRT_SECURE_NO_WARNINGS #include <cstdio> #include <string> #include <cmath> #include <vector> #include <list> #include <random> using namespace std; int main(void) { int N, t; scanf("%d", &N); bool prev_match = false; int count = 0; for (int i = 1; i <= N; i++) { scanf("%d", &t); if (t == i) { if (prev_match) { prev_match = false; } else { count++; prev_match = true; } } else { prev_match = false; } } printf("%d\n", count); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - Derangement |
User | yen_3141 |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 533 Byte |
Status | AC |
Exec Time | 10 ms |
Memory | 128 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:14:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ ./Main.cpp:18:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &t); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 400 / 400 | ||||
Status |
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Set Name | Test Cases |
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Sample | 0_000.txt, 0_001.txt, 0_002.txt, 0_003.txt |
All | 0_000.txt, 0_001.txt, 0_002.txt, 0_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
0_000.txt | AC | 0 ms | 128 KB |
0_001.txt | AC | 0 ms | 128 KB |
0_002.txt | AC | 0 ms | 128 KB |
0_003.txt | AC | 0 ms | 128 KB |
1_004.txt | AC | 0 ms | 128 KB |
1_005.txt | AC | 9 ms | 128 KB |
1_006.txt | AC | 9 ms | 128 KB |
1_007.txt | AC | 9 ms | 128 KB |
1_008.txt | AC | 9 ms | 128 KB |
1_009.txt | AC | 9 ms | 128 KB |
1_010.txt | AC | 9 ms | 128 KB |
1_011.txt | AC | 10 ms | 128 KB |
1_012.txt | AC | 10 ms | 128 KB |
1_013.txt | AC | 10 ms | 128 KB |
1_014.txt | AC | 9 ms | 128 KB |