Submission #744962

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
744962	2023-05-19 09:03:43	josanneo22	Stranded Far From Home (BOI22_island)	C++17	100 / 100	249 ms	47980 KiB

island

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#include <bits/stdc++.h>
#include<unordered_map>
#include<unordered_set>
#include<algorithm>
using namespace std;
#define mp make_pair
#define pb push_back
#define pii pair<int,int>
#define fi first
#define se second 
#define int long long
char buf[1 << 23], * p1 = buf, * p2 = buf;
#define getchar() (p1==p2&&(p2=(p1=buf)+fread(buf,1,1<<21,stdin),p1==p2)?EOF:*p1++)
inline int rd()
{
  int s = 0;
  char ch = getchar(), lst;
  while (ch < '0' || ch>'9') lst = ch, ch = getchar();
  while (ch >= '0' && ch <= '9') s = (s << 1) + (s << 3) + (ch ^ 48), ch = getchar();
  return lst == '-' ? -s : s;
}
int num[100];
inline void rt(int x)
{
  if (x < 0) putchar('-'), x = -x;;
  int len = 0;
  do num[len++] = x % 10; while (x /= 10);
 
 
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Compilation message (stderr)

island.cpp: In function 'long long int rd()':
island.cpp:23:20: warning: 'lst' may be used uninitialized in this function [-Wmaybe-uninitialized]
   23 |  return lst == '-' ? -s : s;
      |         ~~~~~~~~~~~^~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 15 / 15
• Subtask 4: 30 / 30
• Subtask 5: 35 / 35