Submission #20130

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
20130	2016-02-27 12:27:39	hongjun7	격자 보존하기 (GA9_preserve)	C++14	61 / 100	115 ms	2892 KiB

preserve

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#include <iostream>
#include <algorithm>
using namespace std;
#define MAXK 100000
int n, k, d, p[MAXK + 1];
struct BLOCK {
  int cost, value;
} b[MAXK + 5]; int bn;
inline bool cmp(BLOCK b1, BLOCK b2) {
  if (b1.value != b2.value) return b1.value > b2.value;
  return b1.cost < b2.cost;
}
int res;
void solve() {
  int sum = 0, D = d;
  for (int i = 1; i <= bn; i++) {
    if (b[i].cost <= D) {
      D -= b[i].cost;
      sum += b[i].value;
    }
  }
  if (res < sum) res = sum;
}
int main() {
  cin >> n >> k >> d;
  for (int i = 1; i <= k; i++) cin >> p[i];
  bn = 0; b[++bn] = { 1, p[1] - 1 }; b[++bn] = { 1, n - p[k] };
  for (int i = 2; i <= k; i++) b[++bn] = { 2, p[i] - p[i - 1] - 1 };
  sort(b + 1, b + bn + 1, cmp); solve();
  bn = 0; b[++bn] = { 1, p[1] - 1 };
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 17 / 17
• Subtask 3: 0 / 22
• Subtask 4: 0 / 17
• Subtask 5: 35 / 35