oj.uz

Submission #200041

# Submission time Handle Problem Language Result Execution time Memory
200041 2020-02-05T03:51:22 Z arnold518 Two Dishes (JOI19_dishes) C++14
10 / 100
 10000 ms 23416 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 1e6;

int N, M;
ll A[MAXN+10], S[MAXN+10], P[MAXN+10];
ll B[MAXN+10], T[MAXN+10], Q[MAXN+10];
int X[MAXN+10], Y[MAXN+10];
ll slope[MAXN+10], cut, dp[MAXN+10];
bool chk[MAXN+10];

int main()
{
	int i, j, k;

	scanf("%d%d", &N, &M);
	for(i=1; i<=N; i++) scanf("%lld%lld%lld", &A[i], &S[i], &P[i]), A[i]+=A[i-1];
	for(i=1; i<=M; i++) scanf("%lld%lld%lld", &B[i], &T[i], &Q[i]), B[i]+=B[i-1];

	for(i=1; i<=N; i++) X[i]=upper_bound(B, B+M+1, S[i]-A[i])-B-1;
	for(i=1; i<=M; i++) Y[i]=upper_bound(A, A+N+1, T[i]-B[i])-A-1;
/*
	vector<pii> V;
	for(i=1; i<=N; i++) V.push_back({X[i], i});
	sort(V.begin(), V.end());
*/

	for(j=1; j<=N; j++)
	{
		if(0<=X[j]) dp[j]=max(dp[j], dp[j-1]+1);
		else dp[j]=max(dp[j], dp[j-1]);
	}
	//for(j=0; j<=N; j++) printf("%lld ", dp[j]); printf("\n");
	for(i=1; i<=M; i++)
	{
		for(j=0; j<=Y[i]; j++) dp[j]++;
		//for(j=0; j<=N; j++) printf("%lld ", dp[j]); printf("\n");
		for(j=1; j<=N; j++)
		{
			if(i<=X[j]) dp[j]=max(dp[j], dp[j-1]+1);
			else dp[j]=max(dp[j], dp[j-1]);
		}
	}
/*
	for(i=1; i<=N; i++) if(X[i]>=0) slope[i]=1, chk[i]=true;
	for(i=1, j=0; i<=M; i++)
	{
		for(; j<V.size() && V[j].first<i; j++) chk[V[j].second]=false;
		if(Y[i]>=0)
		{
			cut++;
			if(!chk[Y[i]+1] && slope[Y[i]+1]) slope[Y[i]+1]=0;
		}
		//for(k=1; k<=N; k++) printf("%lld ", slope[k]); printf(" : %lld\n", cut);
	}
	for(i=1; i<=N; i++) slope[i]+=slope[i-1];
	printf("%lld", slope[N]+cut);
	*/
	printf("%lld\n", dp[N]);
}

Compilation message

dishes.cpp: In function 'int main()':
dishes.cpp:19:12: warning: unused variable 'k' [-Wunused-variable]
  int i, j, k;
            ^
dishes.cpp:21:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &N, &M);
  ~~~~~^~~~~~~~~~~~~~~~
dishes.cpp:22:64: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(i=1; i<=N; i++) scanf("%lld%lld%lld", &A[i], &S[i], &P[i]), A[i]+=A[i-1];
                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
dishes.cpp:23:64: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(i=1; i<=M; i++) scanf("%lld%lld%lld", &B[i], &T[i], &Q[i]), B[i]+=B[i-1];
                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 10088 ms 12920 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 504 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 380 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 504 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 380 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 24 ms 632 KB Output is correct
18 Correct 24 ms 632 KB Output is correct
19 Correct 26 ms 632 KB Output is correct
20 Correct 24 ms 632 KB Output is correct
21 Correct 25 ms 632 KB Output is correct
22 Correct 24 ms 504 KB Output is correct
23 Correct 24 ms 504 KB Output is correct

Subtask #4
0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 504 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 380 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 24 ms 632 KB Output is correct
18 Correct 24 ms 632 KB Output is correct
19 Correct 26 ms 632 KB Output is correct
20 Correct 24 ms 632 KB Output is correct
21 Correct 25 ms 632 KB Output is correct
22 Correct 24 ms 504 KB Output is correct
23 Correct 24 ms 504 KB Output is correct
24 Execution timed out 10005 ms 23416 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 504 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 380 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 24 ms 632 KB Output is correct
18 Correct 24 ms 632 KB Output is correct
19 Correct 26 ms 632 KB Output is correct
20 Correct 24 ms 632 KB Output is correct
21 Correct 25 ms 632 KB Output is correct
22 Correct 24 ms 504 KB Output is correct
23 Correct 24 ms 504 KB Output is correct
24 Execution timed out 10005 ms 23416 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #6
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 504 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 380 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 24 ms 632 KB Output is correct
18 Correct 24 ms 632 KB Output is correct
19 Correct 26 ms 632 KB Output is correct
20 Correct 24 ms 632 KB Output is correct
21 Correct 25 ms 632 KB Output is correct
22 Correct 24 ms 504 KB Output is correct
23 Correct 24 ms 504 KB Output is correct
24 Execution timed out 10005 ms 23416 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #7
0 / 17.0

# Verdict Execution time Memory Grader output
1 Execution timed out 10088 ms 12920 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 9.0

# Verdict Execution time Memory Grader output
1 Execution timed out 10088 ms 12920 KB Time limit exceeded
2 Halted 0 ms 0 KB -