Submission #1386026
Source Code Expand
#include <cstdio> #include <algorithm> typedef long long ll; typedef long double ldb; int n; ldb d, x; int main() { double dd, xx; scanf("%d%lf%lf", &n, &dd, &xx); d = dd, x = xx; ldb ans = 0; for (int i = n; i; --i) { ans += d + (i * 2 - 1) * x / 2; d = (d * (i * 2 + 2) + x * 5) / (i * 2); x = (i * 2 + 4) * x / (i * 2); } printf("%.12f\n", (double)ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Pushing Balls |
User | vjudge1 |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 394 Byte |
Status | AC |
Exec Time | 3 ms |
Memory | 128 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:12:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%lf%lf", &n, &dd, &xx); d = dd, x = xx; ^
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 | 128 KB |
011.txt | AC | 2 ms | 128 KB |
012.txt | AC | 2 ms | 128 KB |
013.txt | AC | 2 ms | 128 KB |
014.txt | AC | 1 ms | 128 KB |
015.txt | AC | 3 ms | 128 KB |
016.txt | AC | 3 ms | 128 KB |
017.txt | AC | 1 ms | 128 KB |
018.txt | AC | 3 ms | 128 KB |
019.txt | AC | 1 ms | 128 KB |
020.txt | AC | 3 ms | 128 KB |
021.txt | AC | 3 ms | 128 KB |
022.txt | AC | 3 ms | 128 KB |
023.txt | AC | 3 ms | 128 KB |
024.txt | AC | 3 ms | 128 KB |
025.txt | AC | 3 ms | 128 KB |
026.txt | AC | 3 ms | 128 KB |
027.txt | AC | 3 ms | 128 KB |
028.txt | AC | 3 ms | 128 KB |
029.txt | AC | 3 ms | 128 KB |
030.txt | AC | 3 ms | 128 KB |
031.txt | AC | 3 ms | 128 KB |
example0.txt | AC | 1 ms | 128 KB |
example1.txt | AC | 1 ms | 128 KB |
example2.txt | AC | 1 ms | 128 KB |