Submission #403379

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
403379	2021-05-13 06:10:39	Nordway	A Difficult(y) Choice (BOI21_books)	C++17	0 / 100	2 ms	400 KiB

books

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#include <bits/stdc++.h>
#include <books.h>
 
#define sz(v) (int)v.size()
#define pb push_back
 
using namespace std;
 
 
typedef long long ll;
 
const int N = 1e5 + 1;
 
bool asked[N];
 
ll x[N];
 
ll ask (int i) {
    if (!i) return 0ll;
  if (asked[i]) return x[i];
  asked[i] = true;
  x[i] = skim(i);
  return x[i];
}
 
void solve(int n,int k,ll A,int s){
  for (int i = 1; i <= n; i++) {
    asked[i] = false;
  }
 
 
 
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Compilation message (stderr)

books.cpp: In function 'void solve(int, int, ll, int)':
books.cpp:20:13: warning: array subscript -1 is below array bounds of 'bool [100001]' [-Warray-bounds]
   20 |  if (asked[i]) return x[i];
      |      ~~~~~~~^
books.cpp:14:6: note: while referencing 'asked'
   14 | bool asked[N];
      |      ^~~~~
books.cpp:21:9: warning: array subscript -1 is below array bounds of 'bool [100001]' [-Warray-bounds]
   21 |  asked[i] = true;
      |  ~~~~~~~^
books.cpp:14:6: note: while referencing 'asked'
   14 | bool asked[N];
      |      ^~~~~
books.cpp:22:5: warning: array subscript -1 is below array bounds of 'll [100001]' {aka 'long long int [100001]'} [-Warray-bounds]
   22 |  x[i] = skim(i);
      |  ~~~^
books.cpp:16:4: note: while referencing 'x'
   16 | ll x[N];
      |    ^
books.cpp:20:26: warning: array subscript -1 is below array bounds of 'll [100001]' {aka 'long long int [100001]'} [-Warray-bounds]
   20 |  if (asked[i]) return x[i];
      |                       ~~~^
books.cpp:16:4: note: while referencing 'x'
   16 | ll x[N];
      |    ^

• Subtask 1: 0 / 5
• Subtask 2: 0 / 15
• Subtask 3: 0 / 10
• Subtask 4: 0 / 15
• Subtask 5: 0 / 15
• Subtask 6: 0 / 20
• Subtask 7: 0 / 20