Submission #2854476
Source Code Expand
#include <bits/stdc++.h> #define int long long #define rep(i,n) for(int i=0;i<n;i++) #define Rep(i,a,b) for(int i=a;i<b;i++) #define REP(i,a,b) for(int i=a;i<=b;i++) #define rev(i,n) for(int i=n-1;i>=0;i--) #define vi vector<int> #define pb push_back #define pi pair<int,int> #define vp vector<pair<int,int> > #define mp make_pair #define all(v) (v).begin(),(v).end() using namespace std; signed main(){ int n; cin>>n; int x[n],y[n]; rep(i,n){ cin>>x[i]>>y[i]; } int ans=0; rep(i,n){ Rep(j,i+1,n){ Rep(k,j+1,n){ int s=(x[k]-x[i])*(y[j]-y[i])-(x[j]-x[i])*(y[k]-y[i]); if(s%2==0&&s)ans++; } } } cout<<ans<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - 格子点と整数 |
User | f_t_ikt |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 774 Byte |
Status | AC |
Exec Time | 2 ms |
Memory | 256 KB |
Judge Result
Set Name | All | ||
---|---|---|---|
Score / Max Score | 100 / 100 | ||
Status |
|
Set Name | Test Cases |
---|---|
All | case_01.txt, case_02.txt, case_03.txt, case_04.txt, case_05.txt, case_06.txt, case_07.txt, case_08.txt, case_09.txt, case_10.txt, case_11.txt, case_12.txt, case_13.txt, case_14.txt, case_15.txt, case_16.txt, case_17.txt, case_18.txt, case_19.txt, case_20.txt, case_21.txt, case_22.txt, case_23.txt, case_24.txt, case_25.txt, case_26.txt, case_27.txt, case_28.txt, case_29.txt, case_30.txt, case_31.txt, case_32.txt, case_33.txt, case_34.txt, case_35.txt, case_36.txt, case_37.txt, case_38.txt, case_39.txt, case_40.txt, case_41.txt, case_42.txt, case_43.txt, case_44.txt, case_45.txt, case_46.txt, case_47.txt, case_48.txt, case_49.txt, case_50.txt, case_51.txt, case_52.txt, case_53.txt, case_54.txt, case_55.txt, case_56.txt, case_57.txt, case_58.txt, case_59.txt, case_60.txt, case_61.txt, case_62.txt, case_63.txt, case_64.txt, case_65.txt, case_66.txt, case_67.txt, case_68.txt, case_69.txt, case_70.txt, case_71.txt, sample_1.txt, sample_2.txt, sample_3.txt, sample_4.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
case_01.txt | AC | 2 ms | 256 KB |
case_02.txt | AC | 2 ms | 256 KB |
case_03.txt | AC | 2 ms | 256 KB |
case_04.txt | AC | 1 ms | 256 KB |
case_05.txt | AC | 1 ms | 256 KB |
case_06.txt | AC | 2 ms | 256 KB |
case_07.txt | AC | 1 ms | 256 KB |
case_08.txt | AC | 1 ms | 256 KB |
case_09.txt | AC | 2 ms | 256 KB |
case_10.txt | AC | 1 ms | 256 KB |
case_11.txt | AC | 1 ms | 256 KB |
case_12.txt | AC | 1 ms | 256 KB |
case_13.txt | AC | 2 ms | 256 KB |
case_14.txt | AC | 1 ms | 256 KB |
case_15.txt | AC | 2 ms | 256 KB |
case_16.txt | AC | 1 ms | 256 KB |
case_17.txt | AC | 1 ms | 256 KB |
case_18.txt | AC | 1 ms | 256 KB |
case_19.txt | AC | 1 ms | 256 KB |
case_20.txt | AC | 1 ms | 256 KB |
case_21.txt | AC | 2 ms | 256 KB |
case_22.txt | AC | 1 ms | 256 KB |
case_23.txt | AC | 1 ms | 256 KB |
case_24.txt | AC | 1 ms | 256 KB |
case_25.txt | AC | 1 ms | 256 KB |
case_26.txt | AC | 1 ms | 256 KB |
case_27.txt | AC | 2 ms | 256 KB |
case_28.txt | AC | 1 ms | 256 KB |
case_29.txt | AC | 1 ms | 256 KB |
case_30.txt | AC | 1 ms | 256 KB |
case_31.txt | AC | 1 ms | 256 KB |
case_32.txt | AC | 1 ms | 256 KB |
case_33.txt | AC | 2 ms | 256 KB |
case_34.txt | AC | 1 ms | 256 KB |
case_35.txt | AC | 1 ms | 256 KB |
case_36.txt | AC | 1 ms | 256 KB |
case_37.txt | AC | 1 ms | 256 KB |
case_38.txt | AC | 1 ms | 256 KB |
case_39.txt | AC | 1 ms | 256 KB |
case_40.txt | AC | 1 ms | 256 KB |
case_41.txt | AC | 1 ms | 256 KB |
case_42.txt | AC | 1 ms | 256 KB |
case_43.txt | AC | 1 ms | 256 KB |
case_44.txt | AC | 1 ms | 256 KB |
case_45.txt | AC | 1 ms | 256 KB |
case_46.txt | AC | 1 ms | 256 KB |
case_47.txt | AC | 1 ms | 256 KB |
case_48.txt | AC | 1 ms | 256 KB |
case_49.txt | AC | 1 ms | 256 KB |
case_50.txt | AC | 2 ms | 256 KB |
case_51.txt | AC | 2 ms | 256 KB |
case_52.txt | AC | 2 ms | 256 KB |
case_53.txt | AC | 2 ms | 256 KB |
case_54.txt | AC | 2 ms | 256 KB |
case_55.txt | AC | 2 ms | 256 KB |
case_56.txt | AC | 2 ms | 256 KB |
case_57.txt | AC | 2 ms | 256 KB |
case_58.txt | AC | 2 ms | 256 KB |
case_59.txt | AC | 2 ms | 256 KB |
case_60.txt | AC | 2 ms | 256 KB |
case_61.txt | AC | 2 ms | 256 KB |
case_62.txt | AC | 2 ms | 256 KB |
case_63.txt | AC | 2 ms | 256 KB |
case_64.txt | AC | 2 ms | 256 KB |
case_65.txt | AC | 2 ms | 256 KB |
case_66.txt | AC | 2 ms | 256 KB |
case_67.txt | AC | 2 ms | 256 KB |
case_68.txt | AC | 2 ms | 256 KB |
case_69.txt | AC | 2 ms | 256 KB |
case_70.txt | AC | 2 ms | 256 KB |
case_71.txt | AC | 1 ms | 256 KB |
sample_1.txt | AC | 1 ms | 256 KB |
sample_2.txt | AC | 1 ms | 256 KB |
sample_3.txt | AC | 1 ms | 256 KB |
sample_4.txt | AC | 1 ms | 256 KB |