Submission #978970
Source Code Expand
#include <iostream> #include <stdio.h> #include <vector> #include <algorithm> #include <set> #include <map> #include <cmath> #include <string> #include <cstring> #include <ctime> #include <cassert> #include <queue> #include <stack> #include <bitset> #define y1 y11 #define fs first #define sc second #define mp make_pair #define pb push_back #define mt make_tuple #define NAME "" using namespace std; typedef long long ll; typedef long double ld; const ld PI = acos(-1.0); const int MAXN = 1000001; string s; string t; int a[MAXN]; int main() { int n; cin >> n; cin >> s >> t; if (s == t) { cout << 0 << endl; return 0; } int p = n; int ans = 0; int k = 0; for (int i = n - 1; i >= 0; i--) { p = min(p, i); if ((i != 0) && (t[i] == t[i - 1])) continue; while ((p >= 0) && (s[p] != t[i])) p--; if (p < 0) { cout << -1 << endl; return 0; } a[k] = p; int lg = 0, rg = k + 1; while (lg < rg) { int md = (lg + rg) / 2; if (a[k - md] - md >= i) rg = md; else lg = md + 1; } ans = max(ans, lg); k++; } cout << ans + 1 << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | F - Shik and Copying String |
User | cospleermusora |
Language | C++14 (GCC 5.4.1) |
Score | 1500 |
Code Size | 1178 Byte |
Status | AC |
Exec Time | 139 ms |
Memory | 6280 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1500 / 1500 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | example0.txt, example1.txt, example2.txt, example3.txt |
All | 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, 024.txt, 025.txt, 026.txt, 027.txt, 028.txt, 029.txt, 030.txt, 031.txt, 032.txt, 033.txt, 034.txt, 035.txt, 036.txt, 037.txt, 038.txt, 039.txt, 040.txt, 041.txt, 042.txt, 043.txt, 044.txt, 045.txt, 046.txt, 047.txt, 048.txt, 049.txt, 050.txt, 051.txt, 052.txt, 053.txt, 054.txt, 055.txt, 056.txt, 057.txt, 058.txt, example0.txt, example1.txt, example2.txt, example3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
000.txt | AC | 3 ms | 256 KB |
001.txt | AC | 3 ms | 256 KB |
002.txt | AC | 3 ms | 256 KB |
003.txt | AC | 3 ms | 256 KB |
004.txt | AC | 3 ms | 256 KB |
005.txt | AC | 3 ms | 256 KB |
006.txt | AC | 3 ms | 256 KB |
007.txt | AC | 3 ms | 256 KB |
008.txt | AC | 3 ms | 256 KB |
009.txt | AC | 3 ms | 256 KB |
010.txt | AC | 3 ms | 256 KB |
011.txt | AC | 3 ms | 256 KB |
012.txt | AC | 3 ms | 256 KB |
013.txt | AC | 3 ms | 256 KB |
014.txt | AC | 3 ms | 256 KB |
015.txt | AC | 3 ms | 256 KB |
016.txt | AC | 3 ms | 256 KB |
017.txt | AC | 3 ms | 256 KB |
018.txt | AC | 3 ms | 256 KB |
019.txt | AC | 3 ms | 256 KB |
020.txt | AC | 3 ms | 256 KB |
021.txt | AC | 3 ms | 256 KB |
022.txt | AC | 3 ms | 256 KB |
023.txt | AC | 3 ms | 256 KB |
024.txt | AC | 3 ms | 256 KB |
025.txt | AC | 66 ms | 2692 KB |
026.txt | AC | 118 ms | 6280 KB |
027.txt | AC | 93 ms | 4232 KB |
028.txt | AC | 108 ms | 4744 KB |
029.txt | AC | 112 ms | 4744 KB |
030.txt | AC | 73 ms | 2824 KB |
031.txt | AC | 73 ms | 2824 KB |
032.txt | AC | 74 ms | 2824 KB |
033.txt | AC | 74 ms | 2824 KB |
034.txt | AC | 74 ms | 2696 KB |
035.txt | AC | 76 ms | 2696 KB |
036.txt | AC | 74 ms | 2696 KB |
037.txt | AC | 73 ms | 2696 KB |
038.txt | AC | 73 ms | 2692 KB |
039.txt | AC | 73 ms | 2692 KB |
040.txt | AC | 94 ms | 4360 KB |
041.txt | AC | 101 ms | 5128 KB |
042.txt | AC | 123 ms | 6024 KB |
043.txt | AC | 133 ms | 6152 KB |
044.txt | AC | 138 ms | 6152 KB |
045.txt | AC | 139 ms | 6280 KB |
046.txt | AC | 139 ms | 6280 KB |
047.txt | AC | 139 ms | 6280 KB |
048.txt | AC | 135 ms | 6280 KB |
049.txt | AC | 132 ms | 6280 KB |
050.txt | AC | 118 ms | 6280 KB |
051.txt | AC | 118 ms | 6280 KB |
052.txt | AC | 92 ms | 4232 KB |
053.txt | AC | 105 ms | 4232 KB |
054.txt | AC | 106 ms | 4232 KB |
055.txt | AC | 106 ms | 4232 KB |
056.txt | AC | 106 ms | 4232 KB |
057.txt | AC | 105 ms | 4232 KB |
058.txt | AC | 104 ms | 4232 KB |
example0.txt | AC | 3 ms | 256 KB |
example1.txt | AC | 3 ms | 256 KB |
example2.txt | AC | 3 ms | 256 KB |
example3.txt | AC | 3 ms | 256 KB |