Submission #2505151
Source Code Expand
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int,int> pp; typedef pair<ll,ll> pll; void read(int& x){ scanf("%d",&x); } void read(ll& x){ scanf("%lld",&x); } template<typename T,typename... Args> void read(T& a,Args&... b){ read(a); read(b...); } #define all(x) (x).begin(),(x).end() #define pb push_back #define eb emplace_back #define x first #define y second int n, k; int a[2010]; int dp[2010][2010]; int dp2[2010][2010]; int main() { read(n, k); for(int as=0, i=1; i<=n; ++i){ {int t; read(t); a[i] = t;} for(int j=1; j<=i; ++j){ int d = dp[i-1][j]; if(j == i) d = 2e9; int pd = dp[i-1][j-1]; if(pd != int(2e9)){ int nx = (as ? pd*a[i]/as : 0) + 1; if(nx <= a[i]){ d = min(d, pd + nx); } } dp[i][j] = d; } as += a[i]; } reverse(a+1, a+n+1); for(int as=0, i=2; i<=n; ++i){ for(int j=1; j<i; ++j){ int d = dp2[i-1][j]; if(j == i-1) d = 2e9; int pd = dp2[i-1][j-1]; if(pd != int(2e9)){ int nx = (as ? pd*a[i]/as : 0) + 1; if(nx <= a[i]){ d = min(d, pd + nx); } } dp2[i][j] = d; } as += a[i]; } int as = accumulate(a+1, a+n+1, 0); if(as == k){ puts("1"); return 0; } for(int i=n; 0<=i; --i){ if(dp[n][i] <= k){ if(dp2[n][i-1] <= as-k){ printf("%d\n", i); break; } } } return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - 高橋君ゲーム |
User | Namnamseo |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1427 Byte |
Status | WA |
Exec Time | 29 ms |
Memory | 30848 KB |
Compile Error
./Main.cpp: In function ‘void read(int&)’: ./Main.cpp:6:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] void read(int& x){ scanf("%d",&x); } ^ ./Main.cpp: In function ‘void read(ll&)’: ./Main.cpp:7:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] void read(ll& x){ scanf("%lld",&x); } ^
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 100 | ||||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | s1.txt, s2.txt, s3.txt, s4.txt |
All | 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt, 40.txt, 41.txt, 42.txt, 43.txt, 44.txt, 45.txt, 46.txt, 47.txt, 48.txt, 49.txt, 50.txt, 51.txt, 52.txt, 53.txt, 54.txt, 55.txt, 56.txt, 57.txt, 58.txt, 59.txt, 60.txt, 61.txt, 62.txt, 63.txt, 64.txt, s1.txt, s2.txt, s3.txt, s4.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01.txt | WA | 29 ms | 30848 KB |
02.txt | AC | 29 ms | 30848 KB |
03.txt | AC | 29 ms | 30848 KB |
04.txt | WA | 29 ms | 30848 KB |
05.txt | AC | 29 ms | 30848 KB |
06.txt | WA | 29 ms | 30848 KB |
07.txt | WA | 28 ms | 30848 KB |
08.txt | WA | 29 ms | 30848 KB |
09.txt | WA | 29 ms | 30848 KB |
10.txt | AC | 29 ms | 30848 KB |
11.txt | AC | 29 ms | 30848 KB |
12.txt | WA | 29 ms | 30848 KB |
13.txt | AC | 29 ms | 30848 KB |
14.txt | WA | 29 ms | 30848 KB |
15.txt | AC | 29 ms | 30848 KB |
16.txt | WA | 29 ms | 30848 KB |
17.txt | WA | 29 ms | 30848 KB |
18.txt | WA | 29 ms | 30848 KB |
19.txt | WA | 29 ms | 30848 KB |
20.txt | AC | 29 ms | 30848 KB |
21.txt | AC | 29 ms | 30848 KB |
22.txt | AC | 29 ms | 30848 KB |
23.txt | WA | 29 ms | 30848 KB |
24.txt | AC | 29 ms | 30848 KB |
25.txt | AC | 29 ms | 30848 KB |
26.txt | AC | 29 ms | 30848 KB |
27.txt | AC | 29 ms | 30848 KB |
28.txt | AC | 29 ms | 30848 KB |
29.txt | AC | 29 ms | 30848 KB |
30.txt | WA | 29 ms | 30848 KB |
31.txt | WA | 29 ms | 30848 KB |
32.txt | AC | 29 ms | 30848 KB |
33.txt | WA | 29 ms | 30848 KB |
34.txt | AC | 29 ms | 30848 KB |
35.txt | AC | 29 ms | 30848 KB |
36.txt | AC | 29 ms | 30848 KB |
37.txt | AC | 29 ms | 30848 KB |
38.txt | AC | 29 ms | 30848 KB |
39.txt | AC | 29 ms | 30848 KB |
40.txt | AC | 29 ms | 30848 KB |
41.txt | AC | 29 ms | 30848 KB |
42.txt | WA | 29 ms | 30848 KB |
43.txt | AC | 29 ms | 30848 KB |
44.txt | WA | 29 ms | 30848 KB |
45.txt | AC | 29 ms | 30848 KB |
46.txt | WA | 29 ms | 30848 KB |
47.txt | AC | 29 ms | 30848 KB |
48.txt | AC | 29 ms | 30848 KB |
49.txt | AC | 29 ms | 30848 KB |
50.txt | AC | 29 ms | 30848 KB |
51.txt | AC | 2 ms | 2304 KB |
52.txt | AC | 2 ms | 2304 KB |
53.txt | AC | 2 ms | 2304 KB |
54.txt | AC | 2 ms | 2304 KB |
55.txt | AC | 2 ms | 2304 KB |
56.txt | AC | 2 ms | 2304 KB |
57.txt | AC | 2 ms | 2304 KB |
58.txt | AC | 2 ms | 2304 KB |
59.txt | AC | 2 ms | 2304 KB |
60.txt | AC | 2 ms | 2304 KB |
61.txt | AC | 2 ms | 2304 KB |
62.txt | AC | 2 ms | 2304 KB |
63.txt | AC | 2 ms | 2304 KB |
64.txt | AC | 2 ms | 2304 KB |
s1.txt | AC | 2 ms | 2304 KB |
s2.txt | AC | 2 ms | 2304 KB |
s3.txt | AC | 2 ms | 2304 KB |
s4.txt | AC | 2 ms | 2304 KB |