Submission #982814
Source Code Expand
// AtCoder Grand Contest 007 // C - Pushing Balls #include <cstdio> #define EPS 1e-12; using namespace std; int N; double l, r, x, s; int main() { scanf("%d%lf%lf", &N, &l, &x); r = l + x * (2 * N - 1); s = 0.0; for (int i = 0; i < N; i++) { s += (l + r) * 0.5; l = (l * (2 * (N - i) + 2) + x * 5) / (2 * (N - i)); r = (r * (2 * (N - i) + 2) - x * 5) / (2 * (N - i)); x = (r - l) / (N - i); } printf("%.12lf\n", s); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Pushing Balls |
User | scarlet7000 |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 502 Byte |
Status | AC |
Exec Time | 6 ms |
Memory | 128 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:15:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%lf%lf", &N, &l, &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 | 2 ms | 128 KB |
011.txt | AC | 5 ms | 128 KB |
012.txt | AC | 3 ms | 128 KB |
013.txt | AC | 4 ms | 128 KB |
014.txt | AC | 3 ms | 128 KB |
015.txt | AC | 5 ms | 128 KB |
016.txt | AC | 5 ms | 128 KB |
017.txt | AC | 3 ms | 128 KB |
018.txt | AC | 5 ms | 128 KB |
019.txt | AC | 2 ms | 128 KB |
020.txt | AC | 6 ms | 128 KB |
021.txt | AC | 6 ms | 128 KB |
022.txt | AC | 6 ms | 128 KB |
023.txt | AC | 6 ms | 128 KB |
024.txt | AC | 6 ms | 128 KB |
025.txt | AC | 6 ms | 128 KB |
026.txt | AC | 6 ms | 128 KB |
027.txt | AC | 6 ms | 128 KB |
028.txt | AC | 6 ms | 128 KB |
029.txt | AC | 6 ms | 128 KB |
030.txt | AC | 5 ms | 128 KB |
031.txt | AC | 6 ms | 128 KB |
example0.txt | AC | 1 ms | 128 KB |
example1.txt | AC | 1 ms | 128 KB |
example2.txt | AC | 1 ms | 128 KB |