Submission #1187848
Source Code Expand
#include <bits/stdc++.h> using namespace std; #define int long long #define double long double #define all(v) begin(v), end(v) #define FOR(i,a,b) for(int i=(a);i<(int)(b);i++) #define rep(i,b) FOR(i,0,b) const int mod = 1e9+7; double ax,ay,bx,by; int n; double x[110],y[110]; signed main(){ cin>>ax>>ay>>bx>>by; cin>>n; for(int i=0;i<n;i++){ cin>>x[i]>>y[i]; } int ans=0; for(int i=0;i<n-1;i++){ double temp=((ax-bx)*(y[i]-ay)+(by-ay)*(x[i]-bx)); double temp2=(ax-bx)*(y[i+1]-ay)+(by-ay)*(x[i+1]-bx); if(temp*temp2<0)ans++; } double temp=((ax-bx)*(y[n-1]-ay)+(by-ay)*(x[n-1]-bx)); double temp2=(ax-bx)*(y[0]-ay)+(by-ay)*(x[0]-bx); if(temp*temp2<0)ans++; cout<<ans/2 +1<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | D - 一刀両断 |
User | albicilla |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 767 Byte |
Status | WA |
Exec Time | 1 ms |
Memory | 256 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 | 256 KB |
00_sample_01.txt | AC | 1 ms | 256 KB |
10_rand_00.txt | WA | 1 ms | 256 KB |
10_rand_01.txt | WA | 1 ms | 256 KB |
10_rand_02.txt | WA | 1 ms | 256 KB |
10_rand_03.txt | WA | 1 ms | 256 KB |
10_rand_04.txt | WA | 1 ms | 256 KB |
10_rand_05.txt | WA | 1 ms | 256 KB |
10_rand_06.txt | WA | 1 ms | 256 KB |
10_rand_07.txt | WA | 1 ms | 256 KB |
10_rand_08.txt | WA | 1 ms | 256 KB |
10_rand_09.txt | WA | 1 ms | 256 KB |
10_rand_10.txt | WA | 1 ms | 256 KB |
10_rand_11.txt | AC | 1 ms | 256 KB |
10_rand_12.txt | WA | 1 ms | 256 KB |
10_rand_13.txt | WA | 1 ms | 256 KB |
10_rand_14.txt | AC | 1 ms | 256 KB |
10_rand_15.txt | AC | 1 ms | 256 KB |
10_rand_16.txt | WA | 1 ms | 256 KB |
10_rand_17.txt | AC | 1 ms | 256 KB |
10_rand_18.txt | WA | 1 ms | 256 KB |
10_rand_19.txt | WA | 1 ms | 256 KB |
10_rand_20.txt | WA | 1 ms | 256 KB |
10_rand_21.txt | AC | 1 ms | 256 KB |
10_rand_22.txt | WA | 1 ms | 256 KB |
10_rand_23.txt | WA | 1 ms | 256 KB |
10_rand_24.txt | WA | 1 ms | 256 KB |
10_rand_25.txt | WA | 1 ms | 256 KB |
10_rand_26.txt | WA | 1 ms | 256 KB |
10_rand_27.txt | WA | 1 ms | 256 KB |
10_rand_28.txt | WA | 1 ms | 256 KB |
10_rand_29.txt | WA | 1 ms | 256 KB |