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| 1 | +#include <vector> |
| 2 | +#include <list> |
| 3 | +#include <map> |
| 4 | +#include <set> |
| 5 | +#include <queue> |
| 6 | +#include <deque> |
| 7 | +#include <stack> |
| 8 | +#include <bitset> |
| 9 | +#include <algorithm> |
| 10 | +#include <functional> |
| 11 | +#include <numeric> |
| 12 | +#include <utility> |
| 13 | +#include <sstream> |
| 14 | +#include <iostream> |
| 15 | +#include <iomanip> |
| 16 | +#include <cstdio> |
| 17 | +#include <cmath> |
| 18 | +#include <cstdlib> |
| 19 | +#include <ctime> |
| 20 | + |
| 21 | +using namespace std; |
| 22 | + |
| 23 | +int dist[32768]; |
| 24 | + |
| 25 | +struct Order { |
| 26 | + bool operator() (const int x, const int y) const { |
| 27 | + return make_pair(dist[x], x) < make_pair(dist[y], y); |
| 28 | + } |
| 29 | +}; |
| 30 | + |
| 31 | +class KiloManX { |
| 32 | +public: |
| 33 | + int leastShots(vector <string> damageChart, vector <int> bossHealth) { |
| 34 | + for (int i = 0; i < 32768; i++) |
| 35 | + dist[i] = INT_MAX; |
| 36 | + |
| 37 | + int N = damageChart.size(); |
| 38 | + set<int, Order> qs; |
| 39 | + qs.insert(0); |
| 40 | + dist[0] = 0; |
| 41 | + |
| 42 | + int res = INT_MAX; |
| 43 | + while (!qs.empty()) { |
| 44 | + int w = *qs.begin(); |
| 45 | + int s = dist[w]; |
| 46 | + qs.erase(qs.begin()); |
| 47 | + |
| 48 | + //bitset<15> bs(w); |
| 49 | + //cout << "where: " << bs << " shots: " << s << endl; |
| 50 | + if (w == (1 << N)-1) { |
| 51 | + if (s < res) res = s; |
| 52 | + continue; |
| 53 | + } |
| 54 | + |
| 55 | + for (int i = 0; i < N; i++) { |
| 56 | + if (w >> i & 1) continue; |
| 57 | + int best = bossHealth[i]; |
| 58 | + int bj = -1; |
| 59 | + for (int j = 0; j < N; j++) { |
| 60 | + if (i == j) continue; |
| 61 | + if ((w >> j & 1) && (damageChart[j][i] != '0')) { |
| 62 | + int a = damageChart[j][i]-'0'; |
| 63 | + int ds = bossHealth[i]/a; |
| 64 | + if (bossHealth[i]%a != 0) ds += 1; |
| 65 | + if (ds < best) { |
| 66 | + best = ds; |
| 67 | + bj = j; |
| 68 | + } |
| 69 | + } |
| 70 | + } |
| 71 | + |
| 72 | + int ns = s + best; |
| 73 | + int nw = (w | 1 << i); |
| 74 | + if (ns < dist[nw]) { |
| 75 | + if (qs.count(nw)) qs.erase(nw); |
| 76 | + dist[nw] = ns; |
| 77 | + qs.insert(nw); |
| 78 | + //cout << "kill boss: " << i << " best: " << best << " bj: " << bj << endl; |
| 79 | + } |
| 80 | + } |
| 81 | + } |
| 82 | + |
| 83 | + return res; |
| 84 | + } |
| 85 | +}; |
| 86 | + |
| 87 | + |
| 88 | +// BEGIN KAWIGIEDIT TESTING |
| 89 | +// Generated by KawigiEdit 2.1.8 (beta) modified by pivanof |
| 90 | +#include <iostream> |
| 91 | +#include <string> |
| 92 | +#include <vector> |
| 93 | +using namespace std; |
| 94 | +bool KawigiEdit_RunTest(int testNum, vector <string> p0, vector <int> p1, bool hasAnswer, int p2) { |
| 95 | + cout << "Test " << testNum << ": [" << "{"; |
| 96 | + for (int i = 0; int(p0.size()) > i; ++i) { |
| 97 | + if (i > 0) { |
| 98 | + cout << ","; |
| 99 | + } |
| 100 | + cout << "\"" << p0[i] << "\""; |
| 101 | + } |
| 102 | + cout << "}" << "," << "{"; |
| 103 | + for (int i = 0; int(p1.size()) > i; ++i) { |
| 104 | + if (i > 0) { |
| 105 | + cout << ","; |
| 106 | + } |
| 107 | + cout << p1[i]; |
| 108 | + } |
| 109 | + cout << "}"; |
| 110 | + cout << "]" << endl; |
| 111 | + KiloManX *obj; |
| 112 | + int answer; |
| 113 | + obj = new KiloManX(); |
| 114 | + clock_t startTime = clock(); |
| 115 | + answer = obj->leastShots(p0, p1); |
| 116 | + clock_t endTime = clock(); |
| 117 | + delete obj; |
| 118 | + bool res; |
| 119 | + res = true; |
| 120 | + cout << "Time: " << double(endTime - startTime) / CLOCKS_PER_SEC << " seconds" << endl; |
| 121 | + if (hasAnswer) { |
| 122 | + cout << "Desired answer:" << endl; |
| 123 | + cout << "\t" << p2 << endl; |
| 124 | + } |
| 125 | + cout << "Your answer:" << endl; |
| 126 | + cout << "\t" << answer << endl; |
| 127 | + if (hasAnswer) { |
| 128 | + res = answer == p2; |
| 129 | + } |
| 130 | + if (!res) { |
| 131 | + cout << "DOESN'T MATCH!!!!" << endl; |
| 132 | + } else if (double(endTime - startTime) / CLOCKS_PER_SEC >= 20) { |
| 133 | + cout << "FAIL the timeout" << endl; |
| 134 | + res = false; |
| 135 | + } else if (hasAnswer) { |
| 136 | + cout << "Match :-)" << endl; |
| 137 | + } else { |
| 138 | + cout << "OK, but is it right?" << endl; |
| 139 | + } |
| 140 | + cout << "" << endl; |
| 141 | + return res; |
| 142 | +} |
| 143 | +int main() { |
| 144 | + bool all_right; |
| 145 | + all_right = true; |
| 146 | + |
| 147 | + vector <string> p0; |
| 148 | + vector <int> p1; |
| 149 | + int p2; |
| 150 | + |
| 151 | + { |
| 152 | + // ----- test 0 ----- |
| 153 | + string t0[] = {"070","500","140"}; |
| 154 | + p0.assign(t0, t0 + sizeof(t0) / sizeof(t0[0])); |
| 155 | + int t1[] = {150,150,150}; |
| 156 | + p1.assign(t1, t1 + sizeof(t1) / sizeof(t1[0])); |
| 157 | + p2 = 218; |
| 158 | + all_right = KawigiEdit_RunTest(0, p0, p1, true, p2) && all_right; |
| 159 | + // ------------------ |
| 160 | + } |
| 161 | + |
| 162 | + { |
| 163 | + // ----- test 1 ----- |
| 164 | + string t0[] = {"1542","7935","1139","8882"}; |
| 165 | + p0.assign(t0, t0 + sizeof(t0) / sizeof(t0[0])); |
| 166 | + int t1[] = {150,150,150,150}; |
| 167 | + p1.assign(t1, t1 + sizeof(t1) / sizeof(t1[0])); |
| 168 | + p2 = 205; |
| 169 | + all_right = KawigiEdit_RunTest(1, p0, p1, true, p2) && all_right; |
| 170 | + // ------------------ |
| 171 | + } |
| 172 | + |
| 173 | + { |
| 174 | + // ----- test 2 ----- |
| 175 | + string t0[] = {"07","40"}; |
| 176 | + p0.assign(t0, t0 + sizeof(t0) / sizeof(t0[0])); |
| 177 | + int t1[] = {150,10}; |
| 178 | + p1.assign(t1, t1 + sizeof(t1) / sizeof(t1[0])); |
| 179 | + p2 = 48; |
| 180 | + all_right = KawigiEdit_RunTest(2, p0, p1, true, p2) && all_right; |
| 181 | + // ------------------ |
| 182 | + } |
| 183 | + |
| 184 | + { |
| 185 | + // ----- test 3 ----- |
| 186 | + string t0[] = {"198573618294842","159819849819205","698849290010992","000000000000000","139581938009384","158919111891911","182731827381787","135788359198718","187587819218927","185783759199192","857819038188122","897387187472737","159938981818247","128974182773177","135885818282838"}; |
| 187 | + p0.assign(t0, t0 + sizeof(t0) / sizeof(t0[0])); |
| 188 | + int t1[] = {157,1984,577,3001,2003,2984,5988,190003,9000,102930,5938,1000000,1000000,5892,38}; |
| 189 | + p1.assign(t1, t1 + sizeof(t1) / sizeof(t1[0])); |
| 190 | + p2 = 260445; |
| 191 | + all_right = KawigiEdit_RunTest(3, p0, p1, true, p2) && all_right; |
| 192 | + // ------------------ |
| 193 | + } |
| 194 | + |
| 195 | + { |
| 196 | + // ----- test 4 ----- |
| 197 | + string t0[] = {"02111111","10711111","11071111","11104111","41110111","11111031","11111107","11111210"}; |
| 198 | + p0.assign(t0, t0 + sizeof(t0) / sizeof(t0[0])); |
| 199 | + int t1[] = {28,28,28,28,28,28,28,28}; |
| 200 | + p1.assign(t1, t1 + sizeof(t1) / sizeof(t1[0])); |
| 201 | + p2 = 92; |
| 202 | + all_right = KawigiEdit_RunTest(4, p0, p1, true, p2) && all_right; |
| 203 | + // ------------------ |
| 204 | + } |
| 205 | + |
| 206 | + if (all_right) { |
| 207 | + cout << "You're a stud (at least on the example cases)!" << endl; |
| 208 | + } else { |
| 209 | + cout << "Some of the test cases had errors." << endl; |
| 210 | + } |
| 211 | + return 0; |
| 212 | +} |
| 213 | +// END KAWIGIEDIT TESTING |
| 214 | +//Powered by KawigiEdit 2.1.8 (beta) modified by pivanof! |
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