oj.uz

Submission #126729

# Submission time Handle Problem Language Result Execution time Memory
126729 2019-07-08T09:58:03 Z dndhk Two Dishes (JOI19_dishes) C++14
10 / 100
 218 ms 16248 KB 
#include <bits/stdc++.h>

#define pb push_back
#define all(v) ((v).begin(), (v).end())
#define sortv(v) sort(all(v))
#define sz(v) ((int)(v).size())
#define uniqv(v) (v).erase(unique(all(v)), (v).end())
#define umax(a, b) (a)=max((a), (b))
#define umin(a, b) (a)=min((a), (b))
#define FOR(i,a,b) for(int i = (a); i <= (b); i++)
#define rep(i,n) FOR(i,1,n)
#define rep0(i,n) FOR(i,0,(int)(n)-1)
#define FI first
#define SE second
#define INF 2000000000
#define INFLL 1000000000000000000LL


using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAX_N = 2000;

int N, M;
struct S{
	S(ll t, ll l, ll c) : t(t), l(l), c(c) {}
	ll t, l, c;
};
vector<S> A, B;

int dp[MAX_N+10][MAX_N+10];
ll S1[MAX_N+10], S2[MAX_N+10];

void pro1(){
	int ans = 0;
	for(int i=0; i<=N; i++){
		for(int j=0; j<=M; j++){
			if(i!=N){
				dp[i+1][j] = max(dp[i+1][j], dp[i][j] + (S1[i] + S2[j] <= A[i].l - A[i].t));
			}if(j!=M){
				dp[i][j+1] = max(dp[i][j+1], dp[i][j] + (S1[i] + S2[j] <= B[j].l - B[j].t));
			}
			ans = max(ans, dp[i][j]);
		}
	}
	cout<<ans;
}

ll C1[MAX_N+10], C2[MAX_N+10];
ll L;

void pro2(){	
	ll ans=0;
	int idx = M;
	for(int i=0; i<=N; i++){
		while(idx>0 && S2[idx] + S1[i] > L)	idx--;
		if(S2[idx] + S1[i] > L)	break;
		//cout<<C1[i]<<" "<<C2[idx]<<" "<<C1[i] + C2[idx]<<endl;
		ans = max(ans, C1[i] + C2[idx]);
	}
	cout<<ans;
}

bool tf = true;

int main(){
	scanf("%d%d", &N, &M);
	for(int i=0; i<N; i++){
		ll a, b, c;
		scanf("%lld%lld%lld", &a, &b, &c);
		if(c!=1)	tf = false;
		L = b;
		A.pb({a, b, c});
		S1[i+1] = S1[i] + a;
		C1[i+1] = C1[i] + c;
	}
	for(int i=0; i<N; i++){
		C1[i+1] = max(C1[i], C1[i+1]);
	}
	for(int i=0; i<M; i++){
		ll a, b, c;
		scanf("%lld%lld%lld", &a, &b, &c);
		if(c!=1)	tf = false;
		B.pb({a, b, c});
		S2[i+1] = S2[i] + a;
		C2[i+1] = C2[i] + c;
	}
	for(int i=0; i<M; i++){
		C2[i+1] = max(C2[i], C2[i+1]);
	}
	if(N<=2000 && M<=2000 && tf){
		pro1();
	}else{
		pro2();
	}

	return 0;
}

Compilation message

dishes.cpp: In function 'int main()':
dishes.cpp:69:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &N, &M);
  ~~~~~^~~~~~~~~~~~~~~~
dishes.cpp:72:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld%lld", &a, &b, &c);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
dishes.cpp:84:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld%lld", &a, &b, &c);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 218 ms 15960 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
3.0 / 3.0

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

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 40 ms 16224 KB Output is correct
18 Correct 40 ms 16248 KB Output is correct
19 Correct 40 ms 16220 KB Output is correct
20 Correct 38 ms 16248 KB Output is correct
21 Correct 39 ms 15648 KB Output is correct
22 Correct 39 ms 16248 KB Output is correct
23 Correct 39 ms 16248 KB Output is correct

Subtask #4
0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 40 ms 16224 KB Output is correct
18 Correct 40 ms 16248 KB Output is correct
19 Correct 40 ms 16220 KB Output is correct
20 Correct 38 ms 16248 KB Output is correct
21 Correct 39 ms 15648 KB Output is correct
22 Correct 39 ms 16248 KB Output is correct
23 Correct 39 ms 16248 KB Output is correct
24 Incorrect 199 ms 15916 KB Output isn't correct
25 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 40 ms 16224 KB Output is correct
18 Correct 40 ms 16248 KB Output is correct
19 Correct 40 ms 16220 KB Output is correct
20 Correct 38 ms 16248 KB Output is correct
21 Correct 39 ms 15648 KB Output is correct
22 Correct 39 ms 16248 KB Output is correct
23 Correct 39 ms 16248 KB Output is correct
24 Incorrect 199 ms 15916 KB Output isn't correct
25 Halted 0 ms 0 KB -

Subtask #6
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 40 ms 16224 KB Output is correct
18 Correct 40 ms 16248 KB Output is correct
19 Correct 40 ms 16220 KB Output is correct
20 Correct 38 ms 16248 KB Output is correct
21 Correct 39 ms 15648 KB Output is correct
22 Correct 39 ms 16248 KB Output is correct
23 Correct 39 ms 16248 KB Output is correct
24 Incorrect 199 ms 15916 KB Output isn't correct
25 Halted 0 ms 0 KB -

Subtask #7
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 218 ms 15960 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 218 ms 15960 KB Output isn't correct
2 Halted 0 ms 0 KB -