Submission #3898278
Source Code Expand
// La Lune #include<cstdio> #include<cstring> #include<iostream> #include<algorithm> using namespace std; const int N = 1e4 + 5; char s[N]; int dp[N]; int main(){ int n; scanf("%d\n%s", &n, s + 1); for(int i = 1; i <= 3; i ++) dp[i] = (s[i] == 'X'); for(int i = 4; i <= n; i ++){ dp[i] = (s[i] == 'X') + min(dp[i - 1], min(dp[i - 2], dp[i - 3])); } printf("%d\n", dp[n]); return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - 雨上がり |
User | luogu_bot1 |
Language | C++ (GCC 5.4.1) |
Score | 50 |
Code Size | 413 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 256 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:12:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n%s", &n, s + 1); ^
Judge Result
Set Name | All | ||
---|---|---|---|
Score / Max Score | 50 / 50 | ||
Status |
|
Set Name | Test Cases |
---|---|
All | case_000.txt, case_001.txt, case_002.txt, case_003.txt, case_004.txt, case_005.txt, case_006.txt, case_007.txt, case_008.txt, case_009.txt, case_010.txt, case_011.txt, case_012.txt, case_013.txt, case_014.txt, case_015.txt, case_016.txt, case_017.txt, case_018.txt, case_019.txt, case_020.txt, case_021.txt, case_022.txt, case_023.txt, case_024.txt, case_025.txt, case_026.txt, case_027.txt, case_028.txt, case_029.txt, case_030.txt, case_031.txt, case_032.txt, case_033.txt, case_034.txt, case_035.txt, case_036.txt, case_037.txt, case_038.txt, case_039.txt, case_040.txt, case_041.txt, case_042.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
case_000.txt | AC | 1 ms | 256 KB |
case_001.txt | AC | 1 ms | 256 KB |
case_002.txt | AC | 1 ms | 256 KB |
case_003.txt | AC | 1 ms | 256 KB |
case_004.txt | AC | 1 ms | 256 KB |
case_005.txt | AC | 1 ms | 256 KB |
case_006.txt | AC | 1 ms | 256 KB |
case_007.txt | AC | 1 ms | 256 KB |
case_008.txt | AC | 1 ms | 256 KB |
case_009.txt | AC | 1 ms | 256 KB |
case_010.txt | AC | 1 ms | 256 KB |
case_011.txt | AC | 1 ms | 256 KB |
case_012.txt | AC | 1 ms | 256 KB |
case_013.txt | AC | 1 ms | 256 KB |
case_014.txt | AC | 1 ms | 256 KB |
case_015.txt | AC | 1 ms | 256 KB |
case_016.txt | AC | 1 ms | 256 KB |
case_017.txt | AC | 1 ms | 256 KB |
case_018.txt | AC | 1 ms | 256 KB |
case_019.txt | AC | 1 ms | 256 KB |
case_020.txt | AC | 1 ms | 256 KB |
case_021.txt | AC | 1 ms | 256 KB |
case_022.txt | AC | 1 ms | 256 KB |
case_023.txt | AC | 1 ms | 256 KB |
case_024.txt | AC | 1 ms | 256 KB |
case_025.txt | AC | 1 ms | 256 KB |
case_026.txt | AC | 1 ms | 256 KB |
case_027.txt | AC | 1 ms | 256 KB |
case_028.txt | AC | 1 ms | 256 KB |
case_029.txt | AC | 1 ms | 256 KB |
case_030.txt | AC | 1 ms | 256 KB |
case_031.txt | AC | 1 ms | 256 KB |
case_032.txt | AC | 1 ms | 256 KB |
case_033.txt | AC | 1 ms | 256 KB |
case_034.txt | AC | 1 ms | 256 KB |
case_035.txt | AC | 1 ms | 256 KB |
case_036.txt | AC | 1 ms | 256 KB |
case_037.txt | AC | 1 ms | 256 KB |
case_038.txt | AC | 1 ms | 256 KB |
case_039.txt | AC | 1 ms | 256 KB |
case_040.txt | AC | 1 ms | 256 KB |
case_041.txt | AC | 1 ms | 256 KB |
case_042.txt | AC | 1 ms | 256 KB |