oj.uz

Submission #115912

# Submission time Handle Problem Language Result Execution time Memory
115912 2019-06-09T19:08:25 Z njchung99 스파이 (JOI13_spy) C++14
100 / 100
 275 ms 36780 KB 
#include<cstdio>
#include<algorithm>
#include<cstring>
using namespace std;
int dp[2010][2010];
int sum[2010][2010];
int p[2010], 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++)
		scanf("%d %d", &p[i], &p1[i]);
	for (int i = 0; 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:19:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n,&m);
  ~~~~~^~~~~~~~~~~~~~~~
spy.cpp:21:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &p[i], &p1[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
spy.cpp:24:8: 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 16 ms 16640 KB Output is correct
2 Correct 15 ms 16120 KB Output is correct
3 Correct 15 ms 16376 KB Output is correct
4 Correct 14 ms 16384 KB Output is correct
5 Correct 15 ms 16632 KB Output is correct
6 Correct 15 ms 16256 KB Output is correct
7 Correct 21 ms 16640 KB Output is correct
8 Correct 15 ms 16640 KB Output is correct
9 Correct 14 ms 16128 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 22392 KB Output is correct
2 Correct 81 ms 16476 KB Output is correct
3 Correct 20 ms 19584 KB Output is correct
4 Correct 20 ms 18432 KB Output is correct
5 Correct 28 ms 22144 KB Output is correct
6 Correct 24 ms 16328 KB Output is correct
7 Correct 96 ms 22520 KB Output is correct
8 Correct 35 ms 22524 KB Output is correct

Subtask #3
70.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 222 ms 36472 KB Output is correct
2 Correct 169 ms 20728 KB Output is correct
3 Correct 116 ms 32504 KB Output is correct
4 Correct 122 ms 36780 KB Output is correct
5 Correct 159 ms 36220 KB Output is correct
6 Correct 103 ms 21272 KB Output is correct
7 Correct 275 ms 36216 KB Output is correct
8 Correct 196 ms 36420 KB Output is correct