Submission #1103132

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1103132	2024-10-20 08:53:36	khoile25108	Synchronization (JOI13_synchronization)	C++14	0 / 100	501 ms	22604 KiB

synchronization

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#include <bits/stdc++.h>
using namespace std;
#define faster ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define FOR(i,a,b) for(int i = a; i <= b; i++)
#define FOD(i,a,b) for(int i = a; i >= b; i--)
#define fi first
#define se second
#define pb push_back
#define ll long long
#define ull unsigned long long
#define lcm(a,b) (a*b)/__gcd(a,b)
#define ii pair<int,int>
#define iii pair<int,pair<int,int>>
#define iv pair<pair<int,int>,pair<int,int>>
const int inf = 1e9;
const ll INF = 1e18;
const int mod = 1e9 + 7;
const int N = 1e5 + 105;
const int dx[] = {-1,0,1,0};
const int dy[] = {0,1,0,-1};
const int dxx[] = {-1,-1,0,1,1,1,0,-1};
const int dyy[] = {0,1,1,1,0,-1,-1,-1};
int n, m, q, times;
vector<int> g[N];
int is_on[N], seg[4*N], par[N], head[N], sze[N], h[N], old[N], cur[N], pos[N], node[N];
ii canh[N];
 
 
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Compilation message (stderr)

synchronization.cpp: In function 'void up(int, int, int, int)':
synchronization.cpp:40:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   40 |     int mid = l + r >> 1;
      |               ~~^~~
synchronization.cpp: In function 'int get(int, int, int, int, int)':
synchronization.cpp:52:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   52 |     int mid = l + r >> 1;
      |               ~~^~~
synchronization.cpp: In function 'void dfs(int, int)':
synchronization.cpp:59:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |     for(int i = 0; i < g[u].size(); i++)
      |                    ~~^~~~~~~~~~~~~
synchronization.cpp: In function 'int get_root(int)':
synchronization.cpp:99:29: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   99 |                 int mid = l + r >> 1;
      |                           ~~^~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 10
• Subtask 4: 0 / 20
• Subtask 5: 0 / 40