oj.uz

Submission #112493

# Submission time Handle Problem Language Result Execution time Memory
112493 2019-05-20T08:47:52 Z njchung99 스파이 (JOI13_spy) C++14
100 / 100
 278 ms 36600 KB 
#include<cstdio>
#include<cstring>
#include<algorithm>
#include<vector>
using namespace std;
int dp[2010][2010];
int sum[2010][2010];
int p[2010];
int p1[2010];
int func(int here, int here1)
{
	if (here == 0 || here1 == 0)return 0;
	int &ret = dp[here][here1];
	if (ret != -1)return ret;
	ret =sum[here][here1]+func(p[here],here1)+func(here,p1[here1])-func(p[here],p1[here1]);
	return ret;
}
int main()
{
	memset(dp, -1, sizeof(dp));
	int n, m;
	scanf("%d %d", &n, &m);
	for (int i = 1; i <= n; i++) {
		int q, w;
		scanf("%d %d", &q, &w);
		p[i] = q; p1[i] = w;
	}
	for (int i = 1; i <= m; i++) {
		int q, w;
		scanf("%d %d", &q, &w);
		sum[q][w]++;
	}
	for (int i = 1; i <= n; i++) {
		printf("%d\n", func(i, i));
	}
}

Compilation message

spy.cpp: In function 'int main()':
spy.cpp:22:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~~
spy.cpp:25:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &q, &w);
   ~~~~~^~~~~~~~~~~~~~~~~
spy.cpp:30:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &q, &w);
   ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 16640 KB Output is correct
2 Correct 14 ms 16128 KB Output is correct
3 Correct 14 ms 16512 KB Output is correct
4 Correct 14 ms 16384 KB Output is correct
5 Correct 14 ms 16640 KB Output is correct
6 Correct 13 ms 16256 KB Output is correct
7 Correct 14 ms 16640 KB Output is correct
8 Correct 15 ms 16640 KB Output is correct
9 Correct 13 ms 16128 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 22272 KB Output is correct
2 Correct 76 ms 16504 KB Output is correct
3 Correct 20 ms 19456 KB Output is correct
4 Correct 18 ms 18432 KB Output is correct
5 Correct 26 ms 22036 KB Output is correct
6 Correct 24 ms 16384 KB Output is correct
7 Correct 95 ms 22528 KB Output is correct
8 Correct 40 ms 22520 KB Output is correct

Subtask #3
70.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 235 ms 31992 KB Output is correct
2 Correct 171 ms 20732 KB Output is correct
3 Correct 115 ms 32504 KB Output is correct
4 Correct 122 ms 36600 KB Output is correct
5 Correct 168 ms 36360 KB Output is correct
6 Correct 99 ms 21236 KB Output is correct
7 Correct 278 ms 36520 KB Output is correct
8 Correct 193 ms 36216 KB Output is correct