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Copy pathSplitIntoPairs.cpp
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136 lines (130 loc) · 4.22 KB
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/**
* ____
* ____ ___ ____ ________ __/ __/
* / __ `__ \/ __ `/ ___/ / / / /_
* / / / / / / /_/ / / / /_/ / __/
* /_/ /_/ /_/\__,_/_/ \__,_/_/
*
* @link : https://the-redback.com
*/
#include <bits/stdc++.h>
using namespace std;
#define inf HUGE_VAL
class SplitIntoPairs {
public:
int makepairs(vector<int> A, int X) {
cout << A.size() << endl;
int ret = 0, k = 0;
vector<int> v;
vector<int> vv;
int i;
for (i = 0; i < A.size(); i++) {
if (A[i] < 0)
vv.push_back(A[i]);
else
v.push_back(A[i]);
}
sort(v.begin(), v.end());
sort(vv.begin(), vv.end());
k = 0;
ret = 0;
if (v.size()) {
ret = v.size() / 2;
if (v.size() % 2) k = 1;
}
if (vv.size()) {
ret += vv.size() / 2;
}
if (k == 1) {
if ((long long)vv[vv.size() - 1] * v[0] >= X) ret++;
}
vv.clear();
v.clear();
return ret;
}
// BEGIN CUT HERE
public:
void run_test(int Case) {
if ((Case == -1) || (Case == 0)) test_case_0();
if ((Case == -1) || (Case == 1)) test_case_1();
if ((Case == -1) || (Case == 2)) test_case_2();
if ((Case == -1) || (Case == 3)) test_case_3();
if ((Case == -1) || (Case == 4)) test_case_4();
if ((Case == -1) || (Case == 5)) test_case_5();
}
private:
template <typename T>
string print_array(const vector<T>& V) {
ostringstream os;
os << "{ ";
for (typename vector<T>::const_iterator iter = V.begin(); iter != V.end(); ++iter) os << '\"' << *iter << "\",";
os << " }";
return os.str();
}
void verify_case(int Case, const int& Expected, const int& Received) {
cerr << "Test Case #" << Case << "...";
if (Expected == Received)
cerr << "PASSED" << endl;
else {
cerr << "FAILED" << endl;
cerr << "\tExpected: \"" << Expected << '\"' << endl;
cerr << "\tReceived: \"" << Received << '\"' << endl;
}
}
void test_case_0() {
int Arr0[] = {2, -1};
vector<int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0])));
int Arg1 = -1;
int Arg2 = 0;
verify_case(0, Arg2, makepairs(Arg0, Arg1));
}
void test_case_1() {
int Arr0[] = {1, -1};
vector<int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0])));
int Arg1 = -1;
int Arg2 = 1;
verify_case(1, Arg2, makepairs(Arg0, Arg1));
}
void test_case_2() {
int Arr0[] = {-5, -4, 2, 3};
vector<int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0])));
int Arg1 = -1;
int Arg2 = 2;
verify_case(2, Arg2, makepairs(Arg0, Arg1));
}
void test_case_3() {
int Arr0[] = {5, -7, 8, -2, -5, 3};
vector<int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0])));
int Arg1 = -7;
int Arg2 = 3;
verify_case(3, Arg2, makepairs(Arg0, Arg1));
}
void test_case_4() {
int Arr0[] = {3, 4, 5, 6, 6, -6, -4, -10, -1, -9};
vector<int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0])));
int Arg1 = -2;
int Arg2 = 4;
verify_case(4, Arg2, makepairs(Arg0, Arg1));
}
void test_case_5() {
int Arr0[] = {1000000, 1000000};
vector<int> Arg0(Arr0, Arr0 + (sizeof(Arr0) / sizeof(Arr0[0])));
int Arg1 = -5;
int Arg2 = 1;
verify_case(5, Arg2, makepairs(Arg0, Arg1));
}
// END CUT HERE
};
// BEGIN CUT HERE
int main() {
int a[] = {-7726273, -198566, 9681506, -6792315, -540917, -4861632, -4982458, -1383709, -6158006, 4166470,
-6812236, -624690, 5158649, -9032251, -8845697, 4151603, 6274931, -8029271, -5157899, 6663477,
-1398145, -4257609, 145272, -5237570, 861762, -4839969, -2853810, 577517, -941855, 707825,
-9448768, -438974, -2454848, 9216156, 5254895, -923375, 440146, 3309157, -9364361, 8771003};
int n = -2352133;
vector<int> v(a, a + 40);
n = SplitIntoPairs().makepairs(v, n);
cout << n;
return 0;
}
// END CUT HERE