Submission #1666434
Source Code Expand
#include <bits/stdc++.h> using namespace std; const int MX = 500000; int solve(vector<int>& a) { if (a.empty()) return 0; int f = 0, g = -2 * MX, h = -2 * MX; for (int x : a) { int ff = max(max(f, h), g + x); int gg = max(f, g + x - 1); if (x > 1) gg = max(gg, h); int hh = max(f, max(g, h - 1)) + x; f = ff; g = gg; h = hh; } return max(f, g); } char s[MX + 2]; int main() { int n; ignore = scanf("%d %s", &n, s); s[n] = s[n + 1] = '0'; n += 2; int ans = 0; vector<int> a; for (int i = 0, o = 0, z = 0; i < n; i++) { if (s[i] == '1') { o++; z = 0; } else { if (o != 0) { a.push_back(o); o = 0; } z++; if (z == 2) { ans += solve(a); a.clear(); o = z = 0; } } } printf("%d\n", ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - 101 to 010 |
User | Alex_2oo8 |
Language | C++14 (GCC 5.4.1) |
Score | 700 |
Code Size | 847 Byte |
Status | AC |
Exec Time | 6 ms |
Memory | 768 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 700 / 700 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | example0.txt, example1.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, example0.txt, example1.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
000.txt | AC | 3 ms | 512 KB |
001.txt | AC | 2 ms | 384 KB |
002.txt | AC | 3 ms | 512 KB |
003.txt | AC | 2 ms | 384 KB |
004.txt | AC | 3 ms | 384 KB |
005.txt | AC | 4 ms | 512 KB |
006.txt | AC | 2 ms | 256 KB |
007.txt | AC | 2 ms | 384 KB |
008.txt | AC | 1 ms | 256 KB |
009.txt | AC | 3 ms | 640 KB |
010.txt | AC | 4 ms | 768 KB |
011.txt | AC | 4 ms | 768 KB |
012.txt | AC | 5 ms | 768 KB |
013.txt | AC | 5 ms | 768 KB |
014.txt | AC | 6 ms | 768 KB |
015.txt | AC | 6 ms | 768 KB |
016.txt | AC | 6 ms | 768 KB |
017.txt | AC | 5 ms | 768 KB |
018.txt | AC | 5 ms | 768 KB |
019.txt | AC | 4 ms | 768 KB |
020.txt | AC | 4 ms | 768 KB |
021.txt | AC | 4 ms | 768 KB |
022.txt | AC | 4 ms | 768 KB |
023.txt | AC | 4 ms | 768 KB |
024.txt | AC | 4 ms | 768 KB |
025.txt | AC | 4 ms | 768 KB |
026.txt | AC | 4 ms | 768 KB |
027.txt | AC | 4 ms | 768 KB |
028.txt | AC | 4 ms | 768 KB |
029.txt | AC | 4 ms | 768 KB |
030.txt | AC | 4 ms | 768 KB |
031.txt | AC | 4 ms | 768 KB |
032.txt | AC | 4 ms | 768 KB |
033.txt | AC | 4 ms | 768 KB |
034.txt | AC | 4 ms | 768 KB |
035.txt | AC | 4 ms | 768 KB |
036.txt | AC | 4 ms | 768 KB |
example0.txt | AC | 1 ms | 256 KB |
example1.txt | AC | 1 ms | 256 KB |