Submission #1170512

#	Time	Username	Problem	Language	Result	Execution time	Memory
1170512		lopkus	Restore Array (RMI19_restore)	C++20	0 / 100	9 ms	836 KiB

restore

#include <bits/stdc++.h>

int main() {
  std::ios::sync_with_stdio(false);
  std::cin.tie(nullptr);
  int n, m;
  std::cin >> n >> m;
  std::vector<int> l(m + 1), r(m + 1), k(m + 1), v(m + 1);
  std::vector<std::array<int, 3>> e[n];
  std::vector<int> ans(n, - 1);
  for(int i = 1; i <= m; i++) {
    std::cin >> l[i] >> r[i] >> k[i] >> v[i];
    if(v[i] == 1) {
      int w = r[i] - (l[i] + k[i] - 1) + 1;
      e[l[i]].push_back({r[i], v[i], w});
    }
    else {
      int w = l[i] + (k[i] - 1) - (l[i]) + 1;
      e[l[i]].push_back({r[i], v[i], w});
    }
  }
  int ok = 1;
  for(int i = 0; i < n && ok; i++) {
    for(int j = 0; j < e[i].size(); j++) {
      int to = e[i][j][0];
      int st = e[i][j][1];
      int cnt = e[i][j][2];
      int found = 0;
      for(int x = i; x <= to; x++) {
        if(ans[x] == st) {
          found += 1;
        }
      }
      if(found >= cnt) {
        continue;
      }
      int can = 0;
      for(int x = i; x <= to; x++) {
        if(ans[x] == - 1) {
          can += 1;
        }
      }
      if(can < cnt - found) {
        ok = 0;
        break;
      }
      int have_to = can - (cnt - found);
      for(int x = i; x <= to && have_to > 0; x++) {
        if(ans[x] == - 1) {
          ans[x] = st;
          have_to--;
        }
      }
    }
  }
  if(!ok) {
    std::cout << - 1;
    return 0;
  }
  for(int i = 0; i < n; i++) {
    if(ans[i] == - 1) {
      ans[i] = 0;
    }
    std::cout << ans[i] << " ";
  }
}

• Subtask 1: 0 / 7
• Subtask 2: 0 / 13
• Subtask 3: 0 / 25
• Subtask 4: 0 / 55