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| 1 | +#include<bits/stdc++.h> |
| 2 | +using namespace std; |
| 3 | + |
| 4 | +typedef long long int64; |
| 5 | +#define SZ(c) ((int)(c).size()) |
| 6 | +#define ALL(c) (c).begin(), (c).end() |
| 7 | + |
| 8 | +map<string, bool> memo; |
| 9 | +string target; |
| 10 | + |
| 11 | +bool solve(string& s) { |
| 12 | + if (s == target) return true; |
| 13 | + if (s.size() <= target.size()) |
| 14 | + return false; |
| 15 | + |
| 16 | + if (memo.find(s) != memo.end()) |
| 17 | + return memo[s]; |
| 18 | + |
| 19 | + bool r = memo[s]; |
| 20 | + r = false; |
| 21 | + |
| 22 | + if (s[0] == 'B') { |
| 23 | + string t = string(s.begin() + 1, s.end()); |
| 24 | + reverse(ALL(t)); |
| 25 | + if (r = solve(t)) |
| 26 | + return true; |
| 27 | + } |
| 28 | + |
| 29 | + if (s[s.size() - 1] == 'A') { |
| 30 | + string t = string(s.begin(), s.end() - 1); |
| 31 | + if (r = solve(t)) |
| 32 | + return true; |
| 33 | + } |
| 34 | + |
| 35 | + return r; |
| 36 | +} |
| 37 | + |
| 38 | +struct ABBADiv1 { |
| 39 | + string canObtain(string initial, string target) { |
| 40 | + ::target = initial; |
| 41 | + memo.clear(); |
| 42 | + if (solve(target)) |
| 43 | + return "Possible"; |
| 44 | + else |
| 45 | + return "Impossible"; |
| 46 | + } |
| 47 | +}; |
| 48 | + |
| 49 | +// CUT begin |
| 50 | +ifstream data("ABBADiv1.sample"); |
| 51 | + |
| 52 | +string next_line() { |
| 53 | + string s; |
| 54 | + getline(data, s); |
| 55 | + return s; |
| 56 | +} |
| 57 | + |
| 58 | +template <typename T> void from_stream(T &t) { |
| 59 | + stringstream ss(next_line()); |
| 60 | + ss >> t; |
| 61 | +} |
| 62 | + |
| 63 | +void from_stream(string &s) { |
| 64 | + s = next_line(); |
| 65 | +} |
| 66 | + |
| 67 | +template <typename T> |
| 68 | +string to_string(T t) { |
| 69 | + stringstream s; |
| 70 | + s << t; |
| 71 | + return s.str(); |
| 72 | +} |
| 73 | + |
| 74 | +string to_string(string t) { |
| 75 | + return "\"" + t + "\""; |
| 76 | +} |
| 77 | + |
| 78 | +bool do_test(string initial, string target, string __expected) { |
| 79 | + time_t startClock = clock(); |
| 80 | + ABBADiv1 *instance = new ABBADiv1(); |
| 81 | + string __result = instance->canObtain(initial, target); |
| 82 | + double elapsed = (double)(clock() - startClock) / CLOCKS_PER_SEC; |
| 83 | + delete instance; |
| 84 | + |
| 85 | + if (__result == __expected) { |
| 86 | + cout << "PASSED!" << " (" << elapsed << " seconds)" << endl; |
| 87 | + return true; |
| 88 | + } |
| 89 | + else { |
| 90 | + cout << "FAILED!" << " (" << elapsed << " seconds)" << endl; |
| 91 | + cout << " Expected: " << to_string(__expected) << endl; |
| 92 | + cout << " Received: " << to_string(__result) << endl; |
| 93 | + return false; |
| 94 | + } |
| 95 | +} |
| 96 | + |
| 97 | +int run_test(bool mainProcess, const set<int> &case_set, const string command) { |
| 98 | + int cases = 0, passed = 0; |
| 99 | + while (true) { |
| 100 | + if (next_line().find("--") != 0) |
| 101 | + break; |
| 102 | + string initial; |
| 103 | + from_stream(initial); |
| 104 | + string target; |
| 105 | + from_stream(target); |
| 106 | + next_line(); |
| 107 | + string __answer; |
| 108 | + from_stream(__answer); |
| 109 | + |
| 110 | + cases++; |
| 111 | + if (case_set.size() > 0 && case_set.find(cases - 1) == case_set.end()) |
| 112 | + continue; |
| 113 | + |
| 114 | + cout << " Testcase #" << cases - 1 << " ... "; |
| 115 | + if ( do_test(initial, target, __answer)) { |
| 116 | + passed++; |
| 117 | + } |
| 118 | + } |
| 119 | + if (mainProcess) { |
| 120 | + cout << endl << "Passed : " << passed << "/" << cases << " cases" << endl; |
| 121 | + int T = time(NULL) - 1437663843; |
| 122 | + double PT = T / 60.0, TT = 75.0; |
| 123 | + cout << "Time : " << T / 60 << " minutes " << T % 60 << " secs" << endl; |
| 124 | + cout << "Score : " << 300 * (0.3 + (0.7 * TT * TT) / (10.0 * PT * PT + TT * TT)) << " points" << endl; |
| 125 | + } |
| 126 | + return 0; |
| 127 | +} |
| 128 | + |
| 129 | +int main(int argc, char *argv[]) { |
| 130 | + cout.setf(ios::fixed, ios::floatfield); |
| 131 | + cout.precision(2); |
| 132 | + set<int> cases; |
| 133 | + bool mainProcess = true; |
| 134 | + for (int i = 1; i < argc; ++i) { |
| 135 | + if ( string(argv[i]) == "-") { |
| 136 | + mainProcess = false; |
| 137 | + } else { |
| 138 | + cases.insert(atoi(argv[i])); |
| 139 | + } |
| 140 | + } |
| 141 | + if (mainProcess) { |
| 142 | + cout << "ABBADiv1 (300 Points)" << endl << endl; |
| 143 | + } |
| 144 | + return run_test(mainProcess, cases, argv[0]); |
| 145 | +} |
| 146 | +// CUT end |
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