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ProbabilityTree.cpp
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203 lines (187 loc) · 6.02 KB
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#include <vector>
#include <list>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <ctime>
using namespace std;
double ps[50];
double go(vector<string> & tree, int i) {
if (ps[i] == -1.0) {
istringstream is(tree[i]);
int j, p1, p2;
is >> j >> p1 >> p2;
double jp = go(tree, j);
ps[i] = (p1*jp+p2*(100.0-jp))/100.0;
}
return ps[i];
}
class ProbabilityTree {
public:
vector <int> getOdds(vector <string> tree, int lowerBound, int upperBound) {
int N = tree.size();
for (int i = 0; i < N; i++) ps[i] = -1.0;
istringstream is(tree[0]);
is >> ps[0];
vector<int> res;
for (int i = 0; i < N; i++) {
double p = go(tree, i);
if (p > lowerBound && p < upperBound)
res.push_back(i);
}
return res;
}
};
// BEGIN KAWIGIEDIT TESTING
// Generated by KawigiEdit 2.1.8 (beta) modified by pivanof
#include <iostream>
#include <string>
#include <vector>
using namespace std;
bool KawigiEdit_RunTest(int testNum, vector <string> p0, int p1, int p2, bool hasAnswer, vector <int> p3) {
cout << "Test " << testNum << ": [" << "{";
for (int i = 0; int(p0.size()) > i; ++i) {
if (i > 0) {
cout << ",";
}
cout << "\"" << p0[i] << "\"";
}
cout << "}" << "," << p1 << "," << p2;
cout << "]" << endl;
ProbabilityTree *obj;
vector <int> answer;
obj = new ProbabilityTree();
clock_t startTime = clock();
answer = obj->getOdds(p0, p1, p2);
clock_t endTime = clock();
delete obj;
bool res;
res = true;
cout << "Time: " << double(endTime - startTime) / CLOCKS_PER_SEC << " seconds" << endl;
if (hasAnswer) {
cout << "Desired answer:" << endl;
cout << "\t" << "{";
for (int i = 0; int(p3.size()) > i; ++i) {
if (i > 0) {
cout << ",";
}
cout << p3[i];
}
cout << "}" << endl;
}
cout << "Your answer:" << endl;
cout << "\t" << "{";
for (int i = 0; int(answer.size()) > i; ++i) {
if (i > 0) {
cout << ",";
}
cout << answer[i];
}
cout << "}" << endl;
if (hasAnswer) {
if (answer.size() != p3.size()) {
res = false;
} else {
for (int i = 0; int(answer.size()) > i; ++i) {
if (answer[i] != p3[i]) {
res = false;
}
}
}
}
if (!res) {
cout << "DOESN'T MATCH!!!!" << endl;
} else if (double(endTime - startTime) / CLOCKS_PER_SEC >= 2) {
cout << "FAIL the timeout" << endl;
res = false;
} else if (hasAnswer) {
cout << "Match :-)" << endl;
} else {
cout << "OK, but is it right?" << endl;
}
cout << "" << endl;
return res;
}
int main() {
bool all_right;
all_right = true;
vector <string> p0;
int p1;
int p2;
vector <int> p3;
{
// ----- test 0 -----
string t0[] = {"40","0 70 10"};
p0.assign(t0, t0 + sizeof(t0) / sizeof(t0[0]));
p1 = 30;
p2 = 50;
int t3[] = {0,1};
p3.assign(t3, t3 + sizeof(t3) / sizeof(t3[0]));
all_right = KawigiEdit_RunTest(0, p0, p1, p2, true, p3) && all_right;
// ------------------
}
{
// ----- test 1 -----
string t0[] = {"20","2 50 50","0 50 50"};
p0.assign(t0, t0 + sizeof(t0) / sizeof(t0[0]));
p1 = 49;
p2 = 51;
int t3[] = {1,2};
p3.assign(t3, t3 + sizeof(t3) / sizeof(t3[0]));
all_right = KawigiEdit_RunTest(1, p0, p1, p2, true, p3) && all_right;
// ------------------
}
{
// ----- test 2 -----
string t0[] = {"10","0 99 41","1 40 3","2 91 43"};
p0.assign(t0, t0 + sizeof(t0) / sizeof(t0[0]));
p1 = 81;
p2 = 88;
p3.clear() /*{}*/;
all_right = KawigiEdit_RunTest(2, p0, p1, p2, true, p3) && all_right;
// ------------------
}
{
// ----- test 3 -----
string t0[] = {"79","0 64 52","1 70 87","0 38 99","1 24 8"};
p0.assign(t0, t0 + sizeof(t0) / sizeof(t0[0]));
p1 = 47;
p2 = 81;
int t3[] = {0,1,2,3};
p3.assign(t3, t3 + sizeof(t3) / sizeof(t3[0]));
all_right = KawigiEdit_RunTest(3, p0, p1, p2, true, p3) && all_right;
// ------------------
}
{
// ----- test 4 -----
string t0[] = {"51","29 58 3","6 56 86","18 97 1","44 99 25","33 69 90","27 67 49","32 15 19","33 1 21","45 12 33","29 24 40","45 86 74","40 30 65","0 18 27","1 90 65","0 47 62","40 81 72","42 25 56","45 16 81","8 94 92","29 41 92","24 4 29","32 56 91","20 16 77","1 35 79","45 77 61","6 50 19","20 69 43","4 6 16","15 55 26","42 73 90","40 8 49","33 16 33","15 95 47","9 66 40","25 80 39","35 72 70","27 10 36","40 36 10","32 2 48","33 44 23","22 51 45","25 8 43","18 32 96","45 41 74","0 51 6","18 48 15"};
p0.assign(t0, t0 + sizeof(t0) / sizeof(t0[0]));
p1 = 8;
p2 = 82;
int t3[] = {0,1,2,3,4,5,6,7,9,10,11,12,13,14,15,16,17,18,20,21,23,24,25,26,27,28,29,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46};
p3.assign(t3, t3 + sizeof(t3) / sizeof(t3[0]));
all_right = KawigiEdit_RunTest(4, p0, p1, p2, true, p3) && all_right;
// ------------------
}
if (all_right) {
cout << "You're a stud (at least on the example cases)!" << endl;
} else {
cout << "Some of the test cases had errors." << endl;
}
return 0;
}
// END KAWIGIEDIT TESTING
//Powered by KawigiEdit 2.1.8 (beta) modified by pivanof!