oj.uz

Submission #243679

# Submission time Handle Problem Language Result Execution time Memory
243679 2020-07-01T14:23:49 Z arnold518 Two Dishes (JOI19_dishes) C++14
10 / 100
 10000 ms 28228 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];
ll ans;

struct Point
{
	int x, y; ll w;
};
vector<Point> V;

ll tree[MAXN*4+10];
bool lazy[MAXN*4+10];

void busy(int node, int tl, int tr)
{
	if(!lazy[node]) return;
	tree[node]=0;
	if(tl!=tr) lazy[node*2]=true, lazy[node*2+1]=true;
	lazy[node]=false;
}

ll query(int node, int tl, int tr, int l, int r)
{
	busy(node, tl, tr);
	if(l<=tl && tr<=r) return tree[node];
	if(r<tl || tr<l) return 0;
	int mid=tl+tr>>1;
	return query(node*2, tl, mid, l, r)+query(node*2+1, mid+1, tr, l, r);
}

void update1(int node, int tl, int tr, int p, ll v)
{
	busy(node, tl, tr);
	if(tr<p) return;
	if(tl==tr)
	{
		tree[node]+=v;
		return;
	}
	int mid=tl+tr>>1;
	if(p<=mid) update1(node*2, tl, mid, p, v);
	else update1(node*2+1, mid+1, tr, p, v);
	tree[node]=tree[node*2]+tree[node*2+1];
}

void update2(int node, int tl, int tr, int l, int r)
{
	busy(node, tl, tr);
	if(r<l) return;
	if(l<=tl && tr<=r)
	{
		lazy[node]=true;
		busy(node, tl, tr);
		return;
	}
	if(r<tl || tr<l) return;
	int mid=tl+tr>>1;
	update2(node*2, tl, mid, l, r);
	update2(node*2+1, mid+1, tr, l, r);
	tree[node]=tree[node*2]+tree[node*2+1];
}

int main()
{
	int i, j;

	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++)
	{
		if(A[i]>S[i]) continue;
		int x=i, y=upper_bound(B+1, B+M+1, S[i]-A[i])-B-1;
		
		ans+=P[i];

		if(y!=M)
		{
			x--; y++;
			if(x!=N && y!=0) V.push_back({x, y, -P[i]});
		}
	}
	for(i=1; i<=M; i++)
	{
		if(B[i]>T[i]) continue;
		int y=i, x=upper_bound(A+1, A+N+1, T[i]-B[i])-A-1;
		
		if(x!=N && y!=0) V.push_back({x, y, Q[i]});
		else ans+=Q[i];
	}
	//printf("ANS %lld\n", ans);

	sort(V.begin(), V.end(), [&](const Point &p, const Point &q)
	{
		if(p.x!=q.x) return p.x<q.x;
		if(p.y!=q.y) return p.y>q.y;
		return p.w>q.w;
	});

	//for(i=0; i<V.size(); i++) printf("%d %d %lld\n", V[i].x, V[i].y, V[i].w);

	for(i=0; i<V.size(); i++)
	{	
		//printf("!%d %d %lld\n", V[i].x, V[i].y, V[i].w);
		int y=V[i].y; ll w=V[i].w;

		if(w>=0)
		{
			update1(1, 0, M, y, w);
		}
		else
		{
			int lo=0, hi=M+1;
			ll t=query(1, 0, M, 0, y-1)-w;
			while(lo+1<hi)
			{
				int mid=lo+hi>>1;
				if(query(1, 0, M, 0, mid)<=t) lo=mid;
				else hi=mid;
			}
			//printf("U2 %d %d\n", y, lo);
			ll p=query(1, 0, M, 0, hi), q=query(1, 0, M, hi, hi);
			update2(1, 0, M, y, lo);
			update1(1, 0, M, hi, -q+p-t);
		}
		for(j=0; j<=M; j++) query(1, 0, M, 0, j);
		//for(j=0; j<=M; j++) printf("%lld ", query(1, 0, M, 0, j));
		//printf("\n");
	}
	ans+=query(1, 0, M, 0, M);
	printf("%lld\n", ans);
}

Compilation message

dishes.cpp: In function 'll query(int, int, int, int, int)':
dishes.cpp:37:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=tl+tr>>1;
          ~~^~~
dishes.cpp: In function 'void update1(int, int, int, int, ll)':
dishes.cpp:50:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=tl+tr>>1;
          ~~^~~
dishes.cpp: In function 'void update2(int, int, int, int, int)':
dishes.cpp:67:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=tl+tr>>1;
          ~~^~~
dishes.cpp: In function 'int main()':
dishes.cpp:113:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(i=0; i<V.size(); i++)
           ~^~~~~~~~~
dishes.cpp:128:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid=lo+hi>>1;
             ~~^~~
dishes.cpp:77:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &N, &M);
  ~~~~~^~~~~~~~~~~~~~~~
dishes.cpp:78:64: 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:79:64: 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 10016 ms 26980 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 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 431 ms 640 KB Output is correct
18 Correct 359 ms 836 KB Output is correct
19 Correct 797 ms 888 KB Output is correct
20 Correct 364 ms 760 KB Output is correct
21 Correct 652 ms 888 KB Output is correct
22 Correct 824 ms 760 KB Output is correct
23 Correct 807 ms 760 KB Output is correct

Subtask #4
0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 431 ms 640 KB Output is correct
18 Correct 359 ms 836 KB Output is correct
19 Correct 797 ms 888 KB Output is correct
20 Correct 364 ms 760 KB Output is correct
21 Correct 652 ms 888 KB Output is correct
22 Correct 824 ms 760 KB Output is correct
23 Correct 807 ms 760 KB Output is correct
24 Execution timed out 10030 ms 28228 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 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 431 ms 640 KB Output is correct
18 Correct 359 ms 836 KB Output is correct
19 Correct 797 ms 888 KB Output is correct
20 Correct 364 ms 760 KB Output is correct
21 Correct 652 ms 888 KB Output is correct
22 Correct 824 ms 760 KB Output is correct
23 Correct 807 ms 760 KB Output is correct
24 Execution timed out 10030 ms 28228 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 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 431 ms 640 KB Output is correct
18 Correct 359 ms 836 KB Output is correct
19 Correct 797 ms 888 KB Output is correct
20 Correct 364 ms 760 KB Output is correct
21 Correct 652 ms 888 KB Output is correct
22 Correct 824 ms 760 KB Output is correct
23 Correct 807 ms 760 KB Output is correct
24 Execution timed out 10030 ms 28228 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 10016 ms 26980 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 10016 ms 26980 KB Time limit exceeded
2 Halted 0 ms 0 KB -