Task: | Function |
Sender: | pwild |
Submission time: | 2019-01-19 22:22:04 +0200 |
Language: | C++ |
Status: | READY |
Result: | 100 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 45 |
#2 | ACCEPTED | 55 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.02 s | 1 | details |
#2 | ACCEPTED | 0.01 s | 1 | details |
#3 | ACCEPTED | 0.02 s | 1 | details |
#4 | ACCEPTED | 0.02 s | 1 | details |
#5 | ACCEPTED | 0.07 s | 1 | details |
#6 | ACCEPTED | 0.02 s | 1 | details |
#7 | ACCEPTED | 0.02 s | 1 | details |
#8 | ACCEPTED | 0.03 s | 1 | details |
#9 | ACCEPTED | 0.02 s | 1 | details |
#10 | ACCEPTED | 0.01 s | 2 | details |
#11 | ACCEPTED | 0.03 s | 2 | details |
#12 | ACCEPTED | 0.02 s | 2 | details |
#13 | ACCEPTED | 0.02 s | 2 | details |
#14 | ACCEPTED | 0.07 s | 2 | details |
#15 | ACCEPTED | 0.07 s | 2 | details |
#16 | ACCEPTED | 0.06 s | 2 | details |
#17 | ACCEPTED | 0.08 s | 2 | details |
#18 | ACCEPTED | 0.06 s | 2 | details |
#19 | ACCEPTED | 0.06 s | 2 | details |
#20 | ACCEPTED | 0.06 s | 2 | details |
#21 | ACCEPTED | 0.02 s | 2 | details |
#22 | ACCEPTED | 0.58 s | 2 | details |
#23 | ACCEPTED | 0.53 s | 2 | details |
#24 | ACCEPTED | 0.51 s | 2 | details |
#25 | ACCEPTED | 0.62 s | 2 | details |
#26 | ACCEPTED | 0.50 s | 2 | details |
#27 | ACCEPTED | 0.53 s | 2 | details |
#28 | ACCEPTED | 0.32 s | 2 | details |
#29 | ACCEPTED | 0.42 s | 2 | details |
#30 | ACCEPTED | 0.02 s | 2 | details |
#31 | ACCEPTED | 0.01 s | 2 | details |
#32 | ACCEPTED | 0.01 s | 2 | details |
#33 | ACCEPTED | 0.02 s | 2 | details |
#34 | ACCEPTED | 0.07 s | 2 | details |
#35 | ACCEPTED | 0.56 s | 2 | details |
Code
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<ll> vl; typedef vector<vl> vvl; typedef pair<ll,ll> pll; typedef vector<bool> vb; const ll oo = 0x3f3f3f3f3f3f3f3f; const double eps = 1e-9; #define sz(c) ll((c).size()) #define all(c) begin(c), end(c) #define FOR(i,a,b) for (ll i = (a); i < (b); i++) #define FORD(i,a,b) for (ll i = (b)-1; i >= (a); i--) #define mp make_pair #define mt make_tuple #define pb push_back #define eb emplace_back #define xx first #define yy second #define has(c,i) ((c).find(i) != end(c)) #define TR(X) ({ if(1) cerr << "TR: " << (#X) << " = " << (X) << endl; }) struct point { ll x, y; }; point operator-(point a, point b) { return {a.x-b.x, a.y-b.y}; } ll operator%(point a, point b) { return a.x*b.y - a.y*b.x; } ll quadrant(point a) { ll res = 0; while (!(a.x > 0 && a.y >= 0)) { a = {a.y,-a.x}; res++; } return res; } bool operator<(point a, point b) { ll qa = quadrant(a), qb = quadrant(b); if (qa != qb) return qa < qb; if (ll cross = a % b) return cross > 0; return abs(a.x)+abs(a.y) < abs(b.x)+abs(b.y); } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); ll tc; cin >> tc; while (tc--) { ll n; cin >> n; vector<point> a(n); FOR(i,0,n) cin >> a[i].x >> a[i].y; vector<point> b(n-1); FOR(i,0,n-1) b[i] = a[i+1]-a[i]; sort(all(b)); bool res = n == 2; FOR(i,0,n-1) { point p = b[i], q = b[(i+1)%(n-1)]; if (p%q < 0) res = true; } cout << (res ? "YES" : "NO") << endl; } }
Test details
Test 1
Group: 1
Verdict: ACCEPTED
input |
---|
12 2 0 0 1 1 5 ... |
correct output |
---|
YES YES NO YES YES ... |
user output |
---|
YES YES NO YES YES ... |
Test 2
Group: 1
Verdict: ACCEPTED
input |
---|
100 2 92 30 22 44 2 ... |
correct output |
---|
YES YES YES YES YES ... |
user output |
---|
YES YES YES YES YES ... Truncated |
Test 3
Group: 1
Verdict: ACCEPTED
input |
---|
100 3 -55 -98 -59 -55 -2 88 ... |
correct output |
---|
YES YES YES YES YES ... |
user output |
---|
YES YES YES YES YES ... Truncated |
Test 4
Group: 1
Verdict: ACCEPTED
input |
---|
100 4 87 81 -84 42 18 -46 ... |
correct output |
---|
YES YES YES YES YES ... |
user output |
---|
YES YES YES YES YES ... Truncated |
Test 5
Group: 1
Verdict: ACCEPTED
input |
---|
100 1000 -81 38 92 -21 -10 -65 ... |
correct output |
---|
NO NO NO NO NO ... |
user output |
---|
NO NO NO NO NO ... Truncated |
Test 6
Group: 1
Verdict: ACCEPTED
input |
---|
100 110 -99 -9 -98 -9 -96 -8 ... |
correct output |
---|
NO NO NO NO NO ... |
user output |
---|
NO NO NO NO NO ... Truncated |
Test 7
Group: 1
Verdict: ACCEPTED
input |
---|
100 78 -100 95 -99 96 -98 95 ... |
correct output |
---|
NO NO NO NO NO ... |
user output |
---|
NO NO NO NO NO ... Truncated |
Test 8
Group: 1
Verdict: ACCEPTED
input |
---|
100 201 -100 97 -100 96 -99 99 ... |
correct output |
---|
NO NO NO NO NO ... |
user output |
---|
NO NO NO NO NO ... Truncated |
Test 9
Group: 1
Verdict: ACCEPTED
input |
---|
100 45 -100 89 -100 90 -97 90 ... |
correct output |
---|
YES NO NO NO NO ... |
user output |
---|
YES NO NO NO NO ... Truncated |
Test 10
Group: 2
Verdict: ACCEPTED
input |
---|
13 2 0 0 1 1 5 ... |
correct output |
---|
YES YES NO YES YES ... |
user output |
---|
YES YES NO YES YES ... |
Test 11
Group: 2
Verdict: ACCEPTED
input |
---|
100 2 -517113909 -39540276 -209411537 -831819487 2 ... |
correct output |
---|
YES YES YES YES YES ... |
user output |
---|
YES YES YES YES YES ... Truncated |
Test 12
Group: 2
Verdict: ACCEPTED
input |
---|
100 3 -991349544 139282777 646238126 16140762 -4488261 817588303 ... |
correct output |
---|
YES YES YES YES YES ... |
user output |
---|
YES YES YES YES YES ... Truncated |
Test 13
Group: 2
Verdict: ACCEPTED
input |
---|
100 4 891187584 -889373775 -453505448 -469134344 -683807769 8725517 ... |
correct output |
---|
YES NO YES NO NO ... |
user output |
---|
YES NO YES NO NO ... Truncated |
Test 14
Group: 2
Verdict: ACCEPTED
input |
---|
100 1000 -866614983 -994037153 775605588 -328510132 390868551 927606059 ... |
correct output |
---|
NO NO NO NO NO ... |
user output |
---|
NO NO NO NO NO ... Truncated |
Test 15
Group: 2
Verdict: ACCEPTED
input |
---|
100 1000 -911073332 -1000000000 -905159999 -1000000000 -904949593 -999999999 ... |
correct output |
---|
YES YES YES NO NO ... |
user output |
---|
YES YES YES NO NO ... Truncated |
Test 16
Group: 2
Verdict: ACCEPTED
input |
---|
100 1000 -1000000000 950042028 -946551105 -1000000000 -940508390 -1000000000 ... |
correct output |
---|
NO YES YES YES NO ... |
user output |
---|
NO YES YES YES NO ... Truncated |
Test 17
Group: 2
Verdict: ACCEPTED
input |
---|
100 1000 -949977239 -1000000000 -948279892 -1000000000 -947497811 -999999999 ... |
correct output |
---|
YES YES YES YES YES ... |
user output |
---|
YES YES YES YES YES ... Truncated |
Test 18
Group: 2
Verdict: ACCEPTED
input |
---|
100 806 -899 -1000 -898 -1000 -896 -999 ... |
correct output |
---|
NO NO NO NO NO ... |
user output |
---|
NO NO NO NO NO ... Truncated |
Test 19
Group: 2
Verdict: ACCEPTED
input |
---|
100 777 -1000 914 -1000 915 -999 916 ... |
correct output |
---|
NO NO NO NO NO ... |
user output |
---|
NO NO NO NO NO ... Truncated |
Test 20
Group: 2
Verdict: ACCEPTED
input |
---|
100 775 -999 998 -995 -1000 -994 -1000 ... |
correct output |
---|
NO NO NO NO NO ... |
user output |
---|
NO NO NO NO NO ... Truncated |
Test 21
Group: 2
Verdict: ACCEPTED
input |
---|
13 2 0 0 1 1 5 ... |
correct output |
---|
YES YES NO YES YES ... |
user output |
---|
YES YES NO YES YES ... |
Test 22
Group: 2
Verdict: ACCEPTED
input |
---|
1 999748 -995394098 -1000000000 -995392159 -1000000000 -995386584 -999999999 ... |
correct output |
---|
NO |
user output |
---|
NO |
Test 23
Group: 2
Verdict: ACCEPTED
input |
---|
1 1000000 -954368893 -1000000000 -954366895 -1000000000 -954364896 -999999999 ... |
correct output |
---|
YES |
user output |
---|
YES |
Test 24
Group: 2
Verdict: ACCEPTED
input |
---|
1 1000000 -1000000000 928772368 -1000000000 928772506 -999999999 928772642 ... |
correct output |
---|
YES |
user output |
---|
YES |
Test 25
Group: 2
Verdict: ACCEPTED
input |
---|
1 999754 -901705699 -1000000000 -901702695 -1000000000 -901702062 -999999999 ... |
correct output |
---|
NO |
user output |
---|
NO |
Test 26
Group: 2
Verdict: ACCEPTED
input |
---|
100 10000 -1000000000 919783772 -918885599 -1000000000 -918825263 -1000000000 ... |
correct output |
---|
NO YES YES NO NO ... |
user output |
---|
NO YES YES NO NO ... Truncated |
Test 27
Group: 2
Verdict: ACCEPTED
input |
---|
10 99998 -997024120 -77018772 -997011201 -77017738 -996986132 -77015834 ... |
correct output |
---|
YES YES NO YES YES ... |
user output |
---|
YES YES NO YES YES ... |
Test 28
Group: 2
Verdict: ACCEPTED
input |
---|
100 7934 -10000 9905 -10000 9906 -9999 9906 ... |
correct output |
---|
NO NO NO NO NO ... |
user output |
---|
NO NO NO NO NO ... Truncated |
Test 29
Group: 2
Verdict: ACCEPTED
input |
---|
100 9710 -99754 -6983 -99786 -6055 -99751 -6548 ... |
correct output |
---|
YES NO NO NO NO ... |
user output |
---|
YES NO NO NO NO ... Truncated |
Test 30
Group: 2
Verdict: ACCEPTED
input |
---|
100 2 802396401 -641287652 30956766 -527704723 2 ... |
correct output |
---|
YES YES YES YES YES ... |
user output |
---|
YES YES YES YES YES ... Truncated |
Test 31
Group: 2
Verdict: ACCEPTED
input |
---|
100 3 755025461 -953536159 -402145543 137775005 -700733185 821755784 ... |
correct output |
---|
YES YES YES YES YES ... |
user output |
---|
YES YES YES YES YES ... Truncated |
Test 32
Group: 2
Verdict: ACCEPTED
input |
---|
100 4 -673213071 571383249 -963633735 -859013318 -591788323 791136643 ... |
correct output |
---|
NO NO NO NO YES ... |
user output |
---|
NO NO NO NO YES ... Truncated |
Test 33
Group: 2
Verdict: ACCEPTED
input |
---|
100 5 -124483012 623794901 233757283 -234519096 -987338502 737259422 ... |
correct output |
---|
NO NO YES NO NO ... |
user output |
---|
NO NO YES NO NO ... Truncated |
Test 34
Group: 2
Verdict: ACCEPTED
input |
---|
100 1000 154383911 872030445 -9594726 190227899 908758769 -9615631 ... |
correct output |
---|
NO NO NO NO NO ... |
user output |
---|
NO NO NO NO NO ... Truncated |
Test 35
Group: 2
Verdict: ACCEPTED
input |
---|
100 10000 642800667 -694556052 -343795089 -341227394 800920828 676674460 ... |
correct output |
---|
NO NO NO NO NO ... |
user output |
---|
NO NO NO NO NO ... Truncated |