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답안 #348782

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
348782 2021-01-15T17:09:48 Z Mefarnis Regions (IOI09_regions) C++14
0 / 100
 88 ms 27884 KB 
#include <bits/stdc++.h>
#define fi first
#define se second
#define maxm 501
#define maxn 200001
#define pb push_back
using namespace std;
typedef long long LL;
typedef pair<int,int> pi;

int n,m,q;
int dad[maxn];
int group[maxn];
int chain[maxm];
int res[maxm][maxm];
vector<int> adj[maxn];

void dfs(int u) {
	int deg = adj[u].size();
	for( int i = 1 ; i <= m ; i++ )
		res[i][group[u]] += chain[i];
	chain[group[u]]++;
	for( int i = 0 ; i < deg ; i++ )
		dfs(adj[u][i]);
	chain[group[u]]--;
}

int main() {
	scanf("%d%d%d",&n,&m,&q);
	scanf("%d",&group[1]);
	for( int i = 2 ; i <= n ; i++ ) {
		scanf("%d%d",&dad[i],&group[i]);
		adj[dad[i]].pb(i);
	}
	dfs(1);
	for( int i = 0 , x,y ; i < q ; i++ ) {
		scanf("%d%d",&x,&y);
		printf("%d\n",res[x][y]);
	}
	return 0;
}

Compilation message

regions.cpp: In function 'int main()':
regions.cpp:29:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   29 |  scanf("%d%d%d",&n,&m,&q);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~
regions.cpp:30:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   30 |  scanf("%d",&group[1]);
      |  ~~~~~^~~~~~~~~~~~~~~~
regions.cpp:32:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   32 |   scanf("%d%d",&dad[i],&group[i]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
regions.cpp:37:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   37 |   scanf("%d%d",&x,&y);
      |   ~~~~~^~~~~~~~~~~~~~

Subtask #1
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 3 ms 4972 KB Time limit exceeded (wall clock)
2 Execution timed out 3 ms 4992 KB Time limit exceeded (wall clock)
3 Execution timed out 3 ms 5100 KB Time limit exceeded (wall clock)
4 Execution timed out 4 ms 5100 KB Time limit exceeded (wall clock)
5 Execution timed out 4 ms 5100 KB Time limit exceeded (wall clock)
6 Execution timed out 4 ms 5612 KB Time limit exceeded (wall clock)
7 Execution timed out 4 ms 5356 KB Time limit exceeded (wall clock)
8 Execution timed out 5 ms 5484 KB Time limit exceeded (wall clock)
9 Execution timed out 7 ms 6124 KB Time limit exceeded (wall clock)
10 Execution timed out 14 ms 6252 KB Time limit exceeded (wall clock)
11 Execution timed out 14 ms 6144 KB Time limit exceeded (wall clock)
12 Execution timed out 23 ms 7040 KB Time limit exceeded (wall clock)
13 Execution timed out 22 ms 6252 KB Time limit exceeded (wall clock)
14 Execution timed out 23 ms 6508 KB Time limit exceeded (wall clock)
15 Execution timed out 28 ms 9580 KB Time limit exceeded (wall clock)

Subtask #2
0 / 85.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 45 ms 9196 KB Time limit exceeded (wall clock)
2 Execution timed out 49 ms 7788 KB Time limit exceeded (wall clock)
3 Execution timed out 60 ms 11244 KB Time limit exceeded (wall clock)
4 Runtime error 26 ms 17004 KB Execution killed with signal 11 (could be triggered by violating memory limits)
5 Runtime error 26 ms 17772 KB Execution killed with signal 11 (could be triggered by violating memory limits)
6 Runtime error 30 ms 18020 KB Execution killed with signal 11 (could be triggered by violating memory limits)
7 Runtime error 35 ms 19052 KB Execution killed with signal 11 (could be triggered by violating memory limits)
8 Runtime error 43 ms 21760 KB Execution killed with signal 11 (could be triggered by violating memory limits)
9 Runtime error 60 ms 24172 KB Execution killed with signal 11 (could be triggered by violating memory limits)
10 Runtime error 67 ms 25964 KB Execution killed with signal 11 (could be triggered by violating memory limits)
11 Runtime error 71 ms 22572 KB Execution killed with signal 11 (could be triggered by violating memory limits)
12 Runtime error 74 ms 27136 KB Execution killed with signal 11 (could be triggered by violating memory limits)
13 Runtime error 78 ms 25964 KB Execution killed with signal 11 (could be triggered by violating memory limits)
14 Runtime error 74 ms 25708 KB Execution killed with signal 11 (could be triggered by violating memory limits)
15 Runtime error 80 ms 27884 KB Execution killed with signal 11 (could be triggered by violating memory limits)
16 Runtime error 77 ms 27884 KB Execution killed with signal 11 (could be triggered by violating memory limits)
17 Runtime error 88 ms 27756 KB Execution killed with signal 11 (could be triggered by violating memory limits)