Submission #1388024
Source Code Expand
#include <cstdio> #include <cstdlib> #include <algorithm> typedef long long LL; double ans; double calc(LL n,double sum) { if(n == 1) return sum / (2 * n); else return calc(n - 1, sum - sum / (n * n)) + sum / (2 * n); } int main() { LL n, d, x; scanf("%lld%lld%lld", &n, &d, &x); printf("%.10lf", calc(n, (2 * d + (2 * n - 1) * x) * n)); 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 | 360 Byte |
Status | AC |
Exec Time | 6 ms |
Memory | 6400 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:18:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld%lld", &n, &d, &x); ^
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 | 1 ms | 128 KB |
001.txt | AC | 1 ms | 128 KB |
002.txt | AC | 1 ms | 128 KB |
003.txt | AC | 1 ms | 128 KB |
004.txt | AC | 1 ms | 128 KB |
005.txt | AC | 1 ms | 128 KB |
006.txt | AC | 1 ms | 128 KB |
007.txt | AC | 1 ms | 128 KB |
008.txt | AC | 1 ms | 128 KB |
009.txt | AC | 1 ms | 128 KB |
010.txt | AC | 1 ms | 896 KB |
011.txt | AC | 5 ms | 5376 KB |
012.txt | AC | 3 ms | 2944 KB |
013.txt | AC | 3 ms | 3584 KB |
014.txt | AC | 3 ms | 2560 KB |
015.txt | AC | 5 ms | 5888 KB |
016.txt | AC | 5 ms | 5376 KB |
017.txt | AC | 2 ms | 2432 KB |
018.txt | AC | 5 ms | 5632 KB |
019.txt | AC | 1 ms | 1280 KB |
020.txt | AC | 6 ms | 6400 KB |
021.txt | AC | 6 ms | 6400 KB |
022.txt | AC | 6 ms | 6400 KB |
023.txt | AC | 6 ms | 6400 KB |
024.txt | AC | 6 ms | 6400 KB |
025.txt | AC | 6 ms | 6400 KB |
026.txt | AC | 6 ms | 6400 KB |
027.txt | AC | 6 ms | 6400 KB |
028.txt | AC | 6 ms | 6400 KB |
029.txt | AC | 6 ms | 6400 KB |
030.txt | AC | 6 ms | 6400 KB |
031.txt | AC | 6 ms | 6400 KB |
example0.txt | AC | 1 ms | 128 KB |
example1.txt | AC | 1 ms | 128 KB |
example2.txt | AC | 1 ms | 128 KB |