Submission #1113259

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1113259	2024-11-16 09:02:16	fern	Grapevine (NOI22_grapevine)	C++17	100 / 100	729 ms	106884 KiB

Main

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/*
 *|---------------------------------------------|*
 *|       Author  : Le Hoang An                 |*
 *|     From  :  Bien Hoa Giftd High School     |*
 *|---------------------------------------------|*
 *|    DEBUGGING IS TWICE AS HARD AS CODING.    |*
 *|    IF YOU WRITE CODE THAT IS TOO SMART,     |*
 *|    YOU WON’T BE SMART ENOUGH TO DEBUG IT.   |*
 *|---------------------------------------------|*
*/
//#pragma GCC optimization ("O3")
//#pragma GCC optimization ("unroll-loops")
#include <bits/stdc++.h>
#define f0(i, n) for(int i=0; i<n; i++)
#define f1(i, n) for(int i=1; i<=n; i++)
#define fi first
#define se second
#define pb push_back
#define ep emplace_back
#define el cout << "\n";
#define sz(A) (int)A.size()
#define FOR(i, l, r) for (int i = l; i <= r; i++)
#define FOD(i, r, l) for (int i = r; i >= l; i--)
#define all(x) x.begin(), x.end()
#define INF 0x3f3f3f3f3f3f3f3fLL
#define faster                       \
    ios_base::sync_with_stdio(false); \
    cin.tie(NULL);                     \
    cout.tie(NULL);
#define MCI signed main()
 
 
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Compilation message (stderr)

Main.cpp: In function 'int search(int, int)':
Main.cpp:106:45: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  106 |         if (ii[hh[h]] < i || ii[hh[h]] == i && jj[hh[h]] <= j)
      |                              ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
Main.cpp: In function 'void append(int, int)':
Main.cpp:123:26: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
  123 |     if (o >= 2 && (o & o - 1) == 0)
      |                        ~~^~~
Main.cpp: In function 'void file()':
Main.cpp:68:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   68 |         freopen(TASK".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:69:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |         freopen(TASK".OUT", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 14 / 14
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 18 / 18
• Subtask 6: 32 / 32