Submission #1294660
Source Code Expand
/*********************************************** # # Filename: b.cpp # # Author: Comsyl - ylsong15@fudan.edu.cn # Description: --- # Create: 2017-05-19 22:59:13 ***********************************************/ #include <bits/stdc++.h> using namespace std; #define ll long long const int maxn = 20; int x[maxn]; bool vis[maxn]; ll ans; int n, k; void incr() { int pre = x[0]; ll cnt = 0; for (int i = 1; i < n; ++ i) { if (vis[i]) { if (x[i] <= pre) { cnt += pre+1 - x[i]; pre ++; } else { pre = x[i]; } } } if (cnt < ans) ans = cnt; } void dfs(int cur, int count) { if (count == k) { incr(); return ; } if (cur == n) return ; if (count + n-cur < k) return ; vis[cur] = true; dfs(cur+1, count+1); vis[cur] = false; dfs(cur+1, count); } int main() { cin >> n >> k; for (int i = 0; i < n; ++ i) { cin >> x[i]; } ans = 1L << 60; vis[0] = true; dfs(1, 1); cout << ans << endl; return 0; }
Submission Info
Submission Time | |
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Task | B - Buildings are Colorful! |
User | comsyl |
Language | C++14 (GCC 5.4.1) |
Score | 210 |
Code Size | 1180 Byte |
Status | WA |
Exec Time | 1 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | Subtask1 | Subtask2 | Subtask3 | ||||||||||
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Score / Max Score | 0 / 0 | 120 / 120 | 90 / 90 | 0 / 140 | ||||||||||
Status |
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Set Name | Test Cases |
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Sample | sub0_in1.txt, sub0_in2.txt |
Subtask1 | sub1_in1.txt, sub1_in2.txt |
Subtask2 | sub2_in1.txt, sub2_in2.txt, sub2_in3.txt |
Subtask3 | sub0_in1.txt, sub0_in2.txt, sub1_in1.txt, sub1_in2.txt, sub2_in1.txt, sub2_in2.txt, sub2_in3.txt, sub3_in1.txt, sub3_in2.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sub0_in1.txt | AC | 1 ms | 256 KB |
sub0_in2.txt | AC | 1 ms | 256 KB |
sub1_in1.txt | AC | 1 ms | 256 KB |
sub1_in2.txt | AC | 1 ms | 256 KB |
sub2_in1.txt | AC | 1 ms | 256 KB |
sub2_in2.txt | AC | 1 ms | 256 KB |
sub2_in3.txt | AC | 1 ms | 256 KB |
sub3_in1.txt | AC | 1 ms | 256 KB |
sub3_in2.txt | WA | 1 ms | 256 KB |