Submission #991498
Source Code Expand
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; using D = double; using uint = unsigned int; #ifdef WIN32 #define LLD "%I64d" #else #define LLD "%lld" #endif #define pb push_back #define mp make_pair #define all(x) (x).begin(),(x).end() #define fi first #define se second const int maxn = 200005; vector<int> gr[maxn]; bool was[maxn]; int n, m; void go(int cur) { if (was[cur]) return; was[cur] = true; for (auto t : gr[cur]) go(t); } int main() { scanf("%d%d", &n, &m); for (int i =0 ; i < n; i++) { int k; scanf("%d", &k); for (int j = 0; j < k; j++) { int x; scanf("%d", &x); x--; gr[i].pb(n + x); gr[n + x].pb(i); } } go(0); for (int i = 0; i < n; i++) if (!was[i]) { printf("NO\n"); return 0; } printf("YES\n"); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Interpretation |
User | KAN |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 1014 Byte |
Status | AC |
Exec Time | 41 ms |
Memory | 8704 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:37:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ ./Main.cpp:41:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &k); ^ ./Main.cpp:45:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &x); ^
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | 200 / 200 | ||||||
Status |
|
|
|
Set Name | Test Cases |
---|---|
sample | sample-01.txt, sample-02.txt |
dataset1 | sample-01.txt, sample-02.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt |
dataset2 | sample-01.txt, sample-02.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, 02-09.txt, 02-10.txt, 02-11.txt, 02-12.txt, 02-13.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 7 ms | 4992 KB |
01-02.txt | AC | 7 ms | 4992 KB |
01-03.txt | AC | 7 ms | 4992 KB |
01-04.txt | AC | 7 ms | 4992 KB |
01-05.txt | AC | 7 ms | 4992 KB |
01-06.txt | AC | 8 ms | 4992 KB |
01-07.txt | AC | 7 ms | 4992 KB |
01-08.txt | AC | 7 ms | 4992 KB |
01-09.txt | AC | 7 ms | 4992 KB |
01-10.txt | AC | 7 ms | 4992 KB |
02-01.txt | AC | 31 ms | 7936 KB |
02-02.txt | AC | 34 ms | 8704 KB |
02-03.txt | AC | 33 ms | 7680 KB |
02-04.txt | AC | 41 ms | 8192 KB |
02-05.txt | AC | 39 ms | 8576 KB |
02-06.txt | AC | 41 ms | 8192 KB |
02-07.txt | AC | 38 ms | 8576 KB |
02-08.txt | AC | 31 ms | 8568 KB |
02-09.txt | AC | 34 ms | 8568 KB |
02-10.txt | AC | 30 ms | 8568 KB |
02-11.txt | AC | 30 ms | 8568 KB |
02-12.txt | AC | 30 ms | 8448 KB |
02-13.txt | AC | 30 ms | 8448 KB |
sample-01.txt | AC | 7 ms | 4992 KB |
sample-02.txt | AC | 7 ms | 4992 KB |