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102 lines
3.0 KiB (Stored with Git LFS)
C++
102 lines
3.0 KiB (Stored with Git LFS)
C++
// Fuck t*h's cache'
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#include "testlib.h"
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#include <cstdlib>
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#include <map>
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#include <string>
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#include <tuple>
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const char *NO_SOL = "No Solution!";
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const int MAXN = 103;
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int n, v;
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std::string city[MAXN];
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std::map<std::string, int> id;
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bool g[MAXN][MAXN] = {{ false }};
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int route[MAXN];
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bool vis[MAXN];
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typedef std::tuple<int, TResult, std::string> answer_t;
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answer_t read_answer(InStream &ouf)
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{
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std::string m_str = ouf.readLine();
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int m = -1;
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if (m_str == NO_SOL) return answer_t(-1, _ok, "" );
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m = strtol(m_str.c_str(), NULL, 10) + 1;
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for (int i = 0; i < m; ++i) {
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std::string s = ouf.readToken();
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std::map<std::string, int>::iterator p = id.find(s);
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if (p == id.end()) {
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return answer_t(m, _wa, "Nonexistent city name " + s);
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}
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route[i] = p->second;
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}
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for (int i = 0; i < n; ++i) vis[i] = false;
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int phase = 0;
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for (int i = 0; i < m; ++i) {
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if (vis[route[i]]) {
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return answer_t(m, _wa, "Non-westernmost city " + city[route[i]] + " should not be visited more than once");
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}
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vis[route[i]] = true;
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if (i == 0) {
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if (route[i] != 0) {
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return answer_t(m, _wa, "First city should be the westernmost one " + city[0]);
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}
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vis[route[i]] = false; // Will be visited twice
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} else {
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if (!g[route[i - 1]][route[i]]) {
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return answer_t(m, _wa, "Nonexistent flight " + city[route[i - 1]] + "-" + city[route[i]]);
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} else if ((phase == 0) ^ (route[i] > route[i - 1])) {
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return answer_t(m, _wa, "Incorrect direction " + city[route[i - 1]] + "-" + city[route[i]]);
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}
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if (route[i] == n - 1) phase = 1;
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}
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}
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if (phase == 0) {
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return answer_t(m, _wa, "Didn't reach the easternmost city " + city[n - 1]);
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}
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if (route[m - 1] != 0) {
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return answer_t(m, _wa, "Last city should be the westernmost one " + city[0]);
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}
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return answer_t(m, _ok, "");
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}
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int main(int argc, char *argv[])
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{
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registerTestlibCmd(argc, argv);
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n = inf.readInt();
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v = inf.readInt();
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for (int i = 0; i < n; ++i) {
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city[i] = inf.readToken();
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id[city[i]] = i;
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}
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for (int i = 0; i < v; ++i) {
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std::string s = inf.readToken();
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std::string t = inf.readToken();
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g[id[s]][id[t]] = g[id[t]][id[s]] = true;
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}
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auto jury_ans = read_answer(ans);
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auto ptcp_ans = read_answer(ouf);
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if (std::get<1>(jury_ans) != _ok) {
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quitf(_fail, "Jury's answer is invalid: %s", std::get<2>(jury_ans).c_str());
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}
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if (std::get<1>(ptcp_ans) != _ok) {
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quitf(std::get<1>(ptcp_ans), "Invalid: %s", std::get<2>(ptcp_ans).c_str());
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}
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if (std::get<0>(jury_ans) > std::get<0>(ptcp_ans)) {
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quitf(_wa, "Participant's answer is suboptimal");
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} else if (std::get<0>(jury_ans) < std::get<0>(ptcp_ans)) {
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quitf(_fail, "Jury's answer is suboptimal! O O");
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}
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quitf(_ok, "*\\(^ ^)/*");
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return 0;
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}
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