제출 #421683

#제출 시각아이디문제언어결과실행 시간메모리
421683idk321카니발 티켓 (IOI20_tickets)C++17
컴파일 에러
0 ms0 KiB
#include "tickets.h" #include <vector> #include <bits/stdc++.h> using namespace std; typedef long long ll; const ll INF = 1000000000000000000LL; long long find_maximum(int k, std::vector<std::vector<int>> x) { int n = x.size(); int m = x[0].size(); vector<vector<int>> answer; answer.resize(n, vector<int>(m, -1)); if (m == 1) { for (int i = 0; i < n; i++) answer[i][0] = 0; allocate_tickets(answer); vector<int> values(n); for (int i = 0; i < n; i++) { values[i] = x[i][0]; } sort(values.begin(), values.end()); ll res = 0; int mid = (0 + n - 1) / 2; for (int i = 0; i < n; i++) { res += abs(values[mid] - values[i]); } return res; } vector<vector<array<int, 2>>> valAndInd.resize(n, vector<array<int, 2>(m)); for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { valAndInd[i][j] = {x[i][j], j}; } } for (int i = 0; i < n; i++) sort(valAndInd[i].begin(), valAndInd[i].end()); int big = 0; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) big = max(big, x[i][j]); } if (big <= 1) { int turn = 0; int res = 0; for (int j = 0; j < m; j++) { int sum = 0; for (int i = 0; i < n; i++) { sum += valAndInd[i][j][0]; } if (sum == 0) { for (int i = 0; i < n; i++) { answer[i][valAndInd[i][j][1]] = turn; } turn++; } if (sum == n) { for (int i = 0; i < n; i++) { answer[i][valAndInd[i][j][1]] = turn; } turn++; } if (turn == k) break; } int cur = 0; for (int i = 0; i < n, turn < k; i++) { for (int j = 0; j < m, turn < k; j++) { if (answer[i][j] == -1) { answer[i][j] = turn; cur++; if (cur == n) { turn++; } } } } allocate_tickets(answer); return res; } /* if (k == 1) { array<int, 3> best = {-1, -1, -1}; vector<array<int, 2>> byVal; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { byVal.push_back({x[i][j], i}); } } sort(byVal.begin(), byVal.end()); vector<array<int, 2>> order; for (int i = 0; i < n; i++) { order.push_back({x[i].front(), i}); } ll cres = 0; for (int i = 0; i < n; i++) { cres += x[i].back() - byVal[0][0]; } ll res = INF; int take = 0; for (auto val : byVal) { int num = val[0]; while (take < n && order[take].front() <= num) { cres -= take++; } } } */ return 1; }

컴파일 시 표준 에러 (stderr) 메시지

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:37:44: error: expected initializer before '.' token
   37 |     vector<vector<array<int, 2>>> valAndInd.resize(n, vector<array<int, 2>(m));
      |                                            ^
tickets.cpp:42:13: error: 'valAndInd' was not declared in this scope
   42 |             valAndInd[i][j] = {x[i][j], j};
      |             ^~~~~~~~~
tickets.cpp:45:38: error: 'valAndInd' was not declared in this scope
   45 |     for (int i = 0; i < n; i++) sort(valAndInd[i].begin(), valAndInd[i].end());
      |                                      ^~~~~~~~~
tickets.cpp:63:24: error: 'valAndInd' was not declared in this scope
   63 |                 sum += valAndInd[i][j][0];
      |                        ^~~~~~~~~
tickets.cpp:69:31: error: 'valAndInd' was not declared in this scope
   69 |                     answer[i][valAndInd[i][j][1]] = turn;
      |                               ^~~~~~~~~
tickets.cpp:77:31: error: 'valAndInd' was not declared in this scope
   77 |                     answer[i][valAndInd[i][j][1]] = turn;
      |                               ^~~~~~~~~
tickets.cpp:85:27: warning: left operand of comma operator has no effect [-Wunused-value]
   85 |         for (int i = 0; i < n, turn < k; i++)
      |                         ~~^~~
tickets.cpp:87:31: warning: left operand of comma operator has no effect [-Wunused-value]
   87 |             for (int j = 0; j < m, turn < k; j++)
      |                             ~~^~~