Submission #3246525
Source Code Expand
#include <bits/stdc++.h> using namespace std; //#include <boost/multiprecision/cpp_int.hpp> //using multiInt = boost::multiprecision::cpp_int; using ll = long long int; using ld = long double; using pii = pair<int, int>; using pll = pair<ll, ll>; template<typename Q_temp> using smaller_queue = priority_queue <Q_temp, vector<Q_temp>, greater<Q_temp> >; const int INF = (int) 1e9; const ll LINF = (ll) 4e18; const ll MOD = (ll) (1e9 + 7); const double PI = acos(-1.0); const int limit = 100010; #define REP(i,m,n) for(ll i = m; i < (ll)(n); ++i) #define rep(i,n) REP(i, 0, n) #define MP make_pair #define YES(n) cout << ((n) ? "YES" : "NO") << endl #define Yes(n) cout << ((n) ? "Yes" : "No") << endl #define Possible(n) cout << ((n) ? "Possible" : "Impossible") << endl #define all(v) v.begin(), v.end() #define NP(v) next_permutation(all(v)) #define debug(x_) cerr << #x_ << ":" << x_ << endl; #define debug2(x__) for(auto a__ : x__) cerr << a__ << " "; cerr << endl; #define debug3(x___ , sx___) rep(i, sx___) cerr << x___[i] << " "; cerr << endl; vector<pii> around = {MP(1, 0), MP(-1, 0), MP(0, 1), MP(0, -1)}; //------------------------------------------------------ inline ld dist(ld x1, ld y1, ld x2, ld y2) { return sqrt((x1 - x2)*(x1 - x2) + (y1 - y2)*(y1 - y2)); } int main() { cin.tie(0); ios::sync_with_stdio(false); int n; cin >> n; int x[n], y[n]; rep(i, n) cin >> x[i] >> y[i]; int cnt = 0; rep(i, n) REP(j, i + 1, n) REP(k, j + 1, n) { ld a = dist(x[i], y[i], x[j], y[j]); ld b = dist(x[i], y[i], x[k], y[k]); ld c = dist(x[k], y[k], x[j], y[j]); ld s = (a + b + c) / 2.0; ld S = sqrt(s * (s - a) * (s - b) * (s - c)); if (abs(S - round(S)) < pow(10, -5) && S > 0.5) cnt++; } cout << cnt << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - 格子点と整数 |
User | stoq |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1892 Byte |
Status | WA |
Exec Time | 14 ms |
Memory | 512 KB |
Judge Result
Set Name | All | ||||
---|---|---|---|---|---|
Score / Max Score | 0 / 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 | WA | 5 ms | 256 KB |
case_02.txt | WA | 8 ms | 256 KB |
case_03.txt | WA | 6 ms | 256 KB |
case_04.txt | WA | 1 ms | 256 KB |
case_05.txt | WA | 1 ms | 256 KB |
case_06.txt | WA | 8 ms | 256 KB |
case_07.txt | WA | 1 ms | 256 KB |
case_08.txt | WA | 1 ms | 256 KB |
case_09.txt | WA | 7 ms | 256 KB |
case_10.txt | WA | 3 ms | 256 KB |
case_11.txt | WA | 5 ms | 256 KB |
case_12.txt | WA | 1 ms | 256 KB |
case_13.txt | WA | 6 ms | 256 KB |
case_14.txt | WA | 4 ms | 256 KB |
case_15.txt | WA | 6 ms | 256 KB |
case_16.txt | WA | 4 ms | 256 KB |
case_17.txt | WA | 1 ms | 256 KB |
case_18.txt | WA | 4 ms | 256 KB |
case_19.txt | WA | 1 ms | 256 KB |
case_20.txt | WA | 1 ms | 256 KB |
case_21.txt | WA | 7 ms | 256 KB |
case_22.txt | WA | 3 ms | 256 KB |
case_23.txt | WA | 2 ms | 256 KB |
case_24.txt | WA | 2 ms | 256 KB |
case_25.txt | WA | 2 ms | 256 KB |
case_26.txt | WA | 1 ms | 256 KB |
case_27.txt | WA | 7 ms | 256 KB |
case_28.txt | WA | 1 ms | 256 KB |
case_29.txt | WA | 6 ms | 256 KB |
case_30.txt | WA | 4 ms | 256 KB |
case_31.txt | WA | 1 ms | 256 KB |
case_32.txt | WA | 3 ms | 256 KB |
case_33.txt | WA | 6 ms | 256 KB |
case_34.txt | WA | 5 ms | 256 KB |
case_35.txt | WA | 1 ms | 256 KB |
case_36.txt | WA | 1 ms | 256 KB |
case_37.txt | WA | 1 ms | 256 KB |
case_38.txt | WA | 1 ms | 256 KB |
case_39.txt | WA | 4 ms | 256 KB |
case_40.txt | WA | 6 ms | 256 KB |
case_41.txt | WA | 1 ms | 256 KB |
case_42.txt | WA | 6 ms | 256 KB |
case_43.txt | WA | 1 ms | 256 KB |
case_44.txt | WA | 1 ms | 256 KB |
case_45.txt | WA | 5 ms | 256 KB |
case_46.txt | WA | 4 ms | 256 KB |
case_47.txt | WA | 1 ms | 256 KB |
case_48.txt | WA | 2 ms | 256 KB |
case_49.txt | WA | 1 ms | 256 KB |
case_50.txt | WA | 8 ms | 256 KB |
case_51.txt | WA | 8 ms | 256 KB |
case_52.txt | WA | 8 ms | 256 KB |
case_53.txt | WA | 8 ms | 256 KB |
case_54.txt | WA | 8 ms | 256 KB |
case_55.txt | WA | 8 ms | 256 KB |
case_56.txt | WA | 8 ms | 256 KB |
case_57.txt | WA | 8 ms | 256 KB |
case_58.txt | WA | 8 ms | 256 KB |
case_59.txt | WA | 8 ms | 256 KB |
case_60.txt | WA | 8 ms | 256 KB |
case_61.txt | WA | 8 ms | 256 KB |
case_62.txt | WA | 8 ms | 256 KB |
case_63.txt | WA | 8 ms | 256 KB |
case_64.txt | WA | 8 ms | 256 KB |
case_65.txt | WA | 8 ms | 256 KB |
case_66.txt | WA | 8 ms | 256 KB |
case_67.txt | WA | 8 ms | 256 KB |
case_68.txt | WA | 8 ms | 256 KB |
case_69.txt | WA | 8 ms | 256 KB |
case_70.txt | WA | 14 ms | 512 KB |
case_71.txt | WA | 2 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 |