Submission #1677045
Source Code Expand
package main import ( "bufio" "fmt" "os" "strconv" ) //============================================================ var sc = bufio.NewScanner(os.Stdin) func setScSplit() { sc.Split(bufio.ScanWords) } func readStr() string { sc.Scan() return sc.Text() } func readInt() int { i, _ := strconv.Atoi(readStr()) return i } func readFloat() float64 { f, _ := strconv.ParseFloat(readStr(), 64) return f } //============================================================= var N int type Point struct { x, y float64 } var A, B Point var P[101] Point func areCross(u, v Point) bool{ ux := u.x - A.x; uy := u.y - A.y vx := v.x - A.x; vy := v.y - A.y bx := B.x - A.x; by := B.y - A.y su := bx * uy - by * ux sv := bx * vy - by * vx return (su > 0 && sv < 0) || (su < 0 && sv > 0) } func main(){ setScSplit() A.x = readFloat(); A.y = readFloat() B.x = readFloat(); B.y = readFloat() N = readInt() for i := 0; i < N; i++ { xn := readFloat(); yn := readFloat() P[i] = Point{x: xn, y: yn } } cp := 0 for i := 0; i < N; i++ { if areCross(P[i], P[(i + 1) % N]) { cp++ } } fmt.Println(cp / 2 + 1) }
Submission Info
Submission Time | |
---|---|
Task | D - 一刀両断 |
User | Aogiri_m2d |
Language | Go (1.6) |
Score | 0 |
Code Size | 1196 Byte |
Status | WA |
Exec Time | 1 ms |
Memory | 640 KB |
Judge Result
Set Name | All | ||||
---|---|---|---|---|---|
Score / Max Score | 0 / 100 | ||||
Status |
|
Set Name | Test Cases |
---|---|
All | 00_sample_00.txt, 00_sample_01.txt, 10_rand_00.txt, 10_rand_01.txt, 10_rand_02.txt, 10_rand_03.txt, 10_rand_04.txt, 10_rand_05.txt, 10_rand_06.txt, 10_rand_07.txt, 10_rand_08.txt, 10_rand_09.txt, 10_rand_10.txt, 10_rand_11.txt, 10_rand_12.txt, 10_rand_13.txt, 10_rand_14.txt, 10_rand_15.txt, 10_rand_16.txt, 10_rand_17.txt, 10_rand_18.txt, 10_rand_19.txt, 10_rand_20.txt, 10_rand_21.txt, 10_rand_22.txt, 10_rand_23.txt, 10_rand_24.txt, 10_rand_25.txt, 10_rand_26.txt, 10_rand_27.txt, 10_rand_28.txt, 10_rand_29.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_sample_00.txt | AC | 1 ms | 640 KB |
00_sample_01.txt | AC | 1 ms | 640 KB |
10_rand_00.txt | WA | 1 ms | 640 KB |
10_rand_01.txt | AC | 1 ms | 640 KB |
10_rand_02.txt | AC | 1 ms | 640 KB |
10_rand_03.txt | AC | 1 ms | 640 KB |
10_rand_04.txt | WA | 1 ms | 640 KB |
10_rand_05.txt | WA | 1 ms | 640 KB |
10_rand_06.txt | WA | 1 ms | 640 KB |
10_rand_07.txt | WA | 1 ms | 640 KB |
10_rand_08.txt | AC | 1 ms | 640 KB |
10_rand_09.txt | AC | 1 ms | 640 KB |
10_rand_10.txt | WA | 1 ms | 640 KB |
10_rand_11.txt | AC | 1 ms | 640 KB |
10_rand_12.txt | AC | 1 ms | 640 KB |
10_rand_13.txt | WA | 1 ms | 640 KB |
10_rand_14.txt | WA | 1 ms | 640 KB |
10_rand_15.txt | AC | 1 ms | 640 KB |
10_rand_16.txt | AC | 1 ms | 640 KB |
10_rand_17.txt | AC | 1 ms | 640 KB |
10_rand_18.txt | WA | 1 ms | 640 KB |
10_rand_19.txt | WA | 1 ms | 640 KB |
10_rand_20.txt | AC | 1 ms | 640 KB |
10_rand_21.txt | AC | 1 ms | 640 KB |
10_rand_22.txt | WA | 1 ms | 640 KB |
10_rand_23.txt | WA | 1 ms | 640 KB |
10_rand_24.txt | AC | 1 ms | 640 KB |
10_rand_25.txt | WA | 1 ms | 640 KB |
10_rand_26.txt | WA | 1 ms | 640 KB |
10_rand_27.txt | WA | 1 ms | 640 KB |
10_rand_28.txt | WA | 1 ms | 640 KB |
10_rand_29.txt | AC | 1 ms | 640 KB |