Submission #847419

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
847419	2023-09-09 15:45:57	qwerasdfzxcl	Mizuyokan 2 (JOI23_mizuyokan2)	C++17	60 / 100	4029 ms	25156 KiB

mizuyokan2

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
constexpr int INF1 = 1e9 + 100;
int n;
int a[250250];
int go[250250], sp[250250][20];
ll S[250250];
void init(int n){
  for (int i=1;i<=n;i++) S[i] = S[i-1] + a[i];
  go[n+1] = n+1;
  for (int i=1;i<=n;i++){
    go[i] = n+1;
    for (int j=i+2;j<=min(i+50, n);j++) if (S[j-1] - S[i] > max(a[i], a[j])){
      go[i] = j;
      break;
    }
  }
  for (int i=n;i;i--) go[i] = min(go[i], go[i+1]);
  for (int i=n;i;i--) assert(go[i] - i <= 50);
  for (int i=1;i<=n+1;i++) sp[i][0] = go[i];
  for (int j=1;j<20;j++){
 
 
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Compilation message (stderr)

mizuyokan2.cpp: In function 'int main()':
mizuyokan2.cpp:70:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   70 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
mizuyokan2.cpp:71:30: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   71 |  for (int i=1;i<=n;i++) scanf("%d", a+i);
      |                         ~~~~~^~~~~~~~~~~
mizuyokan2.cpp:76:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   76 |  scanf("%d", &q);
      |  ~~~~~^~~~~~~~~~
mizuyokan2.cpp:79:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   79 |   scanf("%d %d %d %d", &x, &y, &l, &r);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 9 / 9
• Subtask 3: 13 / 13
• Subtask 4: 32 / 32
• Subtask 5: 0 / 29
• Subtask 6: 0 / 11