Submission #1386354
Source Code Expand
#include <bits/stdc++.h> using namespace std; typedef long long LL; typedef long double DD; const int inf = 1e9; const int mo= 1e9+7; const int N = 9e5+10; int n; DD d, x; int main(){ ios::sync_with_stdio(false); cin.tie(false); cout.tie(false); cin >> n >> d >> x; DD ans = 0; for(int i = n; i; i--){ int t = i * 2; ans += d + x * (t - 1) / 2.0; d = d * (i - 1) / i + (4 * d + x * 5) / t; x= x * (i + 2) / i; } printf("%.15lf\n", (double)ans); return 0; }
Submission Info
Submission Time | |
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Task | C - Pushing Balls |
User | vjudge1 |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 476 Byte |
Status | AC |
Exec Time | 5 ms |
Memory | 256 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:12:15: warning: converting ‘false’ to pointer type for argument 1 of ‘std::basic_ostream<_CharT, _Traits>* std::basic_ios<_CharT, _Traits>::tie(std::basic_ostream<_CharT, _Traits>*) [with _CharT = char; _Traits = std::char_traits<char>]’ [-Wconversion-null] cin.tie(false); ^ ./Main.cpp:13:16: warning: converting ‘false’ to pointer type for argument 1 of ‘std::basic_ostream<_CharT, _Traits>* std::basic_ios<_CharT, _Traits>::tie(std::basic_ostream<_CharT, _Traits>*) [with _CharT = char; _Traits = std::char_traits<char>]’ [-Wconversion-null] cout.tie(false); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1000 / 1000 | ||||
Status |
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Set Name | Test Cases |
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Sample | example0.txt, example1.txt, example2.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, example0.txt, example1.txt, example2.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
000.txt | AC | 2 ms | 256 KB |
001.txt | AC | 1 ms | 256 KB |
002.txt | AC | 1 ms | 256 KB |
003.txt | AC | 1 ms | 256 KB |
004.txt | AC | 1 ms | 256 KB |
005.txt | AC | 1 ms | 256 KB |
006.txt | AC | 1 ms | 256 KB |
007.txt | AC | 1 ms | 256 KB |
008.txt | AC | 1 ms | 256 KB |
009.txt | AC | 1 ms | 256 KB |
010.txt | AC | 2 ms | 256 KB |
011.txt | AC | 4 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 | 4 ms | 256 KB |
016.txt | AC | 4 ms | 256 KB |
017.txt | AC | 2 ms | 256 KB |
018.txt | AC | 4 ms | 256 KB |
019.txt | AC | 2 ms | 256 KB |
020.txt | AC | 5 ms | 256 KB |
021.txt | AC | 5 ms | 256 KB |
022.txt | AC | 5 ms | 256 KB |
023.txt | AC | 5 ms | 256 KB |
024.txt | AC | 5 ms | 256 KB |
025.txt | AC | 5 ms | 256 KB |
026.txt | AC | 5 ms | 256 KB |
027.txt | AC | 5 ms | 256 KB |
028.txt | AC | 5 ms | 256 KB |
029.txt | AC | 5 ms | 256 KB |
030.txt | AC | 4 ms | 256 KB |
031.txt | AC | 5 ms | 256 KB |
example0.txt | AC | 1 ms | 256 KB |
example1.txt | AC | 1 ms | 256 KB |
example2.txt | AC | 1 ms | 256 KB |