Submission #1075483

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1075483	2024-08-26 06:58:13	qwerasdfzxcl	Cultivation (JOI17_cultivation)	C++17	100 / 100	1709 ms	5584 KiB

cultivation

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
constexpr ll INF = 4e18;
pair<ll, ll> P[303];
ll a[303], S[707], E[707], X[3][707], dp[303][303], FUCK[2][303][303], L, U;
int dq[3][707], n;
ll solve(ll len){
  int sz = 0;
  for (int i=1,j=1;i<=n||j<=n;){
    ll s = min(a[i], a[j]+len);
    while(a[i]==s || a[j]+len==s){
      if (a[i]==s) i++;
      if (a[j]+len==s) j++;
    }
    if (j > n) break;
    ll e = min(a[i], a[j]+len);
    assert(j < i);
  
    ++sz;
    S[sz] = s, E[sz] = e;
    X[0][sz] = FUCK[0][j][i-1], X[1][sz] = FUCK[1][j][i-1], X[2][sz] = dp[j][i-1];
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

cultivation.cpp: In function 'int main()':
cultivation.cpp:57:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   57 |  scanf("%lld %lld", &L, &U);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~
cultivation.cpp:58:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   58 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
cultivation.cpp:59:30: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   59 |  for (int i=1;i<=n;i++) scanf("%lld %lld", &P[i].first, &P[i].second);
      |                         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 30 / 30
• Subtask 5: 20 / 20
• Subtask 6: 20 / 20