제출 #1056942

#제출 시각아이디문제언어결과실행 시간메모리
1056942ssenseFloppy (RMI20_floppy)C++14
컴파일 에러
0 ms0 KiB
#include <iostream> #include <algorithm> #include <vector> #include <array> #include <set> #include <map> #include <queue> #include <stack> #include "floppy.h" #include <list> #include <chrono> #include <random> #include <cstdlib> #include <cmath> #include <ctime> #include <cstring> #include <iomanip> #include <bitset> #include <limits.h> #include <cassert> #define fr first #define sc second using namespace std; #define NMAX 100000 #define MMAX 100000 // int subtask_id, N, M; // std::vector<int> v, sorted_v; // std::vector<int> a, b; // std::vector<int> correct_answers; // // Print score to stdout and exit. // void score_and_exit(const double pts, const char *verdict) { // fprintf(stderr, "%s", verdict); // fprintf(stdout, "%f", pts); // exit(0); // } // // Contestant sent too many bits. // void too_many_bits() { // score_and_exit(0, "Too many stored bits!"); // } // // Contestant did not send any bits. // void misformatted_stored_bits() { // score_and_exit(0, "Misformatted stored bits or save_to_floppy not called!"); // } // // Contestant did not call the answer function. // void answer_not_provided() { // score_and_exit(0, "Answer not provided!"); // } // // Contestant sent a wrong answer. // void wrong_answer() { // score_and_exit(0, "Wrong answer to query!"); // } // // Contestant sent a correct answer. // void correct_answer() { // score_and_exit(1, "OK!"); // } // void read_test() { // assert(scanf("%d", &subtask_id) == 1); // assert(scanf("%d%d", &N, &M) == 2); // assert(1 <= N && N <= NMAX); // assert(0 <= M && M <= MMAX); // v.resize(N); // for (int i = 0; i < N; ++i) { // assert(scanf("%d", &v[i]) == 1); // } // // Check all values are distinct. // sorted_v.resize(N); // for (int i = 0; i < N; ++i) { // sorted_v[i] = v[i]; // } // std::sort(sorted_v.begin(), sorted_v.end()); // for (int i = 0; i + 1 < N; ++i) { // assert(sorted_v[i] < sorted_v[i + 1]); // } // a.resize(M); // b.resize(M); // correct_answers.resize(M); // for (int i = 0; i < M; ++i) { // assert(scanf("%d%d%d", &a[i], &b[i], &correct_answers[i]) == 3); // assert(0 <= a[i] && a[i] <= correct_answers[i] && // correct_answers[i] <= b[i] && b[i] < N); // } // } int leftc[NMAX], rightc[NMAX]; int par[18][NMAX], depth[NMAX]; int timer = 0; void dfs_1(int u, const string &bits) { if(bits[2*u] == '1') { int new_node = timer++; par[0][new_node] = u; leftc[u] = new_node; depth[new_node] = depth[u]+1; dfs_1(new_node, bits); } if(bits[2*u+1] == '1') { int new_node = timer++; par[0][new_node] = u; rightc[u] = new_node; depth[new_node] = depth[u]+1; dfs_1(new_node, bits); } } int jump(int a, int l) { for(int i = 0; i < 18; i++) { if((l&(1<<i)) != 0) { a = par[i][a]; } } return a; } int lca(int a, int b) { if(depth[a] < depth[b]) { swap(a, b); } a = jump(a, depth[a]-depth[b]); if(a == b) { return a; } for(int i = 17; i >= 0; i--) { if(par[i][a] != par[i][b]) { a = par[i][a]; b = par[i][b]; } } return par[0][a]; } int trans[NMAX], inv_trans[NMAX]; int code = 0; void dfs_2(int u) { if(leftc[u] != -1) { dfs_2(leftc[u]); } trans[u] = code; inv_trans[code] = u; code++; if(rightc[u] != -1) { dfs_2(rightc[u]); } } vector<int> solve_queries(int subtask_id, int n, const string &bits, const vector<int> &a, const vector<int> &b) { for(int i = 0; i <= n; i++) { leftc[i] = -1; rightc[i] = -1; par[0][i] = -1; } dfs_1(0, bits); for(int i = 1; i <= 17; i++) { for(int j = 0; j < n; j++) { p[i][j] = p[i-1][p[i-1][j]]; } } // cout << "DEPTH: " << endl; // for(int i = 0; i < n; i++) // { // cout << depth[i] << " "; // } // cout << endl; dfs_2(0); // cout << "TRANS: " << endl; // for(int i = 0; i < n; i++) // { // cout << trans[i] << " "; // } // cout << endl; vector<int> answers; // cout << "ANSWERS: " << endl; for(int i = 0; i < a.size(); i++) { // cout << "A[i]: " << inv_trans[a[i]] << " B[i]: " << inv_trans[b[i]] << " LCA: " << lca(inv_trans[a[i]], inv_trans[b[i]]) << endl; answers.push_back(trans[lca(inv_trans[a[i]], inv_trans[b[i]])]); //cout << answers.back() << endl; } return answers; } // void save_to_floppy(const std::string &bits) { // std::vector<int> contestant_answers = solve_queries(subtask_id, N, bits, a, b); // for (int i = 0; i < M; ++i) { // if (contestant_answers[i] != correct_answers[i]) { // wrong_answer(); // } // } // correct_answer(); // exit(0); // } void read_array(int subtask_id, const vector<int> &v) { int n = v.size(); int rc[n], lc[n], p[n]; for(int i = 0; i < n; i++) { rc[i] = -1; lc[i] = -1; p[i] = -1; } int root = 0; for(int i = 1; i < n; i++) { int last_val = i-1; while(last_val != -1) { if(-v[last_val] < -v[i]) { lc[i] = rc[last_val]; rc[last_val] = i; p[i] = last_val; p[lc[i]] = i; break; } last_val = p[last_val]; } if(last_val == -1) { lc[i] = root; p[root] = i; root = i; } } string bits = ""; stack<int> s; s.push(root); while(!s.empty()) { int nw = s.top(); s.pop(); string bruh = "00"; if(rc[nw] != -1) { bruh[1] = '1'; s.push(rc[nw]); } if(lc[nw] != -1) { bruh[0] = '1'; s.push(lc[nw]); } bits+=bruh; } // cout << bits << endl; save_to_floppy(bits); } // int main(int argc, char **argv) { // // Read input data. // read_test(); // // Send subtask_id, v. // read_array(subtask_id, v); // answer_not_provided(); // return 0; // } /* 3 4 10 40 20 30 10 0 0 0 0 1 0 0 2 0 0 3 0 1 1 1 1 2 2 1 3 2 2 2 2 2 3 2 3 3 3 */ /* #include <iostream> #include <algorithm> #include <vector> #include <array> #include <set> #include <map> #include <queue> #include <stack> #include <list> #include <chrono> #include <random> #include <cstdlib> #include <cmath> #include <ctime> #include <cstring> #include <iomanip> #include <bitset> #include <cassert> */

컴파일 시 표준 에러 (stderr) 메시지

floppy.cpp: In function 'std::vector<int> solve_queries(int, int, const string&, const std::vector<int>&, const std::vector<int>&)':
floppy.cpp:189:13: error: 'p' was not declared in this scope
  189 |             p[i][j] = p[i-1][p[i-1][j]];
      |             ^
floppy.cpp:207:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  207 |     for(int i = 0; i < a.size(); i++)
      |                    ~~^~~~~~~~~~
stub.cpp: In function 'void run2()':
stub.cpp:101:30: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  101 |     if (query_answers.size() != M) {
      |         ~~~~~~~~~~~~~~~~~~~~~^~~~