Submission #982659
Source Code Expand
#include <iostream> #include <cstdio> #include <vector> #include <algorithm> #define rep(i,a,b) for(int i = a; i <= b; i++) #define dep(i,a,b) for(int i = a; i >= b; i--) using namespace std; const int N = 1000010; char S[N], T[N]; int pre[N], d[N], q[N], l, r; int main() { int n; scanf("%d",&n); scanf("%s",S + 1); scanf("%s",T + 1); bool flag = true; rep(i,1,n) if (S[i] != T[i]) flag = false; if (flag) { printf("0\n"); return 0; } int mn = n; dep(i,n,1) { mn = min(mn, i); while (mn > 0 && S[mn] != T[i]) mn--; if (!mn) { printf("-1\n"); return 0; } pre[i] = mn; } int ans = 1; dep(i,n,1) if (pre[i] > pre[i - 1]) { while (l < r && q[l] - (r - l) >= i) l++; q[r++] = pre[i]; if (pre[i] < i) ans = max(ans, r - l + 1); } cout <<ans<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | F - Shik and Copying String |
User | WuHongxun |
Language | C++14 (GCC 5.4.1) |
Score | 1500 |
Code Size | 811 Byte |
Status | AC |
Exec Time | 33 ms |
Memory | 10112 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:12:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] int n; scanf("%d",&n); ^ ./Main.cpp:13:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",S + 1); scanf("%s",T + 1); ^ ./Main.cpp:13:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",S + 1); scanf("%s",T + 1); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1500 / 1500 | ||||
Status |
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Set Name | Test Cases |
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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 | 11 ms | 2176 KB |
026.txt | AC | 24 ms | 9984 KB |
027.txt | AC | 21 ms | 8064 KB |
028.txt | AC | 33 ms | 8576 KB |
029.txt | AC | 33 ms | 8576 KB |
030.txt | AC | 24 ms | 9728 KB |
031.txt | AC | 25 ms | 9600 KB |
032.txt | AC | 26 ms | 9088 KB |
033.txt | AC | 25 ms | 8960 KB |
034.txt | AC | 24 ms | 8448 KB |
035.txt | AC | 24 ms | 8192 KB |
036.txt | AC | 23 ms | 7808 KB |
037.txt | AC | 23 ms | 7680 KB |
038.txt | AC | 22 ms | 7424 KB |
039.txt | AC | 22 ms | 7168 KB |
040.txt | AC | 27 ms | 8320 KB |
041.txt | AC | 26 ms | 8960 KB |
042.txt | AC | 25 ms | 9856 KB |
043.txt | AC | 25 ms | 9856 KB |
044.txt | AC | 25 ms | 10112 KB |
045.txt | AC | 25 ms | 9984 KB |
046.txt | AC | 24 ms | 9984 KB |
047.txt | AC | 25 ms | 9984 KB |
048.txt | AC | 24 ms | 9984 KB |
049.txt | AC | 25 ms | 9984 KB |
050.txt | AC | 17 ms | 6144 KB |
051.txt | AC | 17 ms | 6144 KB |
052.txt | AC | 14 ms | 4096 KB |
053.txt | AC | 23 ms | 8064 KB |
054.txt | AC | 23 ms | 8064 KB |
055.txt | AC | 23 ms | 8064 KB |
056.txt | AC | 23 ms | 8064 KB |
057.txt | AC | 23 ms | 8064 KB |
058.txt | AC | 23 ms | 8064 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 |