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답안 #1038799

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1038799 2024-07-30T07:47:26 Z ibm2006 Two Dishes (JOI19_dishes) C++17
74 / 100
 5942 ms 229712 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
const ll inf=1e18;
ll n,m,i,j,k,l,r,x,y,z,w,s,t,a[1100000],b[1100000],seg[2200000],lazy[2200000],c[1100000],d[1100000],cost[1100000],add_cost[1100000],dp[1100000];
ll sum1[1100000],range[1100000],sum2[1100000];
vector<ll> del_list[1100000],v;
set<pair<ll,ll>> chain;
pair<ll,ll> p,q;
pair<ll,ll> find_chain(ll x)
{
    pair<ll,ll> p=*(--chain.lower_bound(make_pair(x,inf)));
    return p;
}
void propagate(ll x,ll y,ll z)
{
    if(z<1048576)
    {
        lazy[z*2]+=lazy[z];
        lazy[z*2+1]+=lazy[z];
    }
    seg[z]+=lazy[z];
    lazy[z]=0;
}
void f(ll x,ll y,ll z,ll w)
{
    propagate(x,y,z);
    if(y<l||x>r)
        return;
    if(l<=x&&y<=r)
    {
        lazy[z]+=w;
        propagate(x,y,z);
        return;
    }
    f(x,(x+y)/2,z*2,w);
    f((x+y)/2+1,y,z*2+1,w);
    seg[z]=max(seg[z*2],seg[z*2+1]);
}
ll g(ll x,ll y,ll z)
{
    propagate(x,y,z);
    if(y<l||x>r)
    {
        return -inf;
    }
    if(l<=x&&y<=r)
    {
        return seg[z];
    }
    return max(g(x,(x+y)/2,z*2),g((x+y)/2+1,y,z*2+1));
}
void add(ll x,ll y,ll z)
{
    l=x+1;
    r=y+1;
    f(1,1048576,1,z);
}
ll get_val(ll x)
{
    l=x+1;
    r=x+1;
    return g(1,1048576,1);
}
void reconstruct_chain(ll x)
{
    pair<ll,ll> p=find_chain(x);
    while(chain.upper_bound(p)!=chain.end())
    {
        pair<ll,ll> q=(*chain.upper_bound(p));
        y=get_val(p.second);
        z=get_val(q.first);
        //printf("(%lld,%lld,%lld,%lld)\n",p.first,p.second,q.first,q.second);
        if(z<=y+cost[p.second])
        {
            add(q.first,q.second,y+cost[p.second]-z);
            chain.erase(p);
            chain.erase(q);
            chain.insert({p.first,q.second});
            p.second=q.second;
        }
        else
            return;
    }
}
void show()
{
    return;
    ll i;
    for(i=0;i<=m;i++)
        printf("%lld ",get_val(i));
    printf("\n");
}
int main()
{
    scanf("%lld %lld",&n,&m);
    for(i=1;i<=n;i++)
    {
        scanf("%lld %lld %lld",&a[i],&c[i],&add_cost[i]);
        sum1[i]=sum1[i-1]+a[i];
    }
    for(i=1;i<=m;i++)
    {
        scanf("%lld %lld %lld",&b[i],&d[i],&cost[i-1]);
        sum2[i]=sum2[i-1]+b[i];
    }
    for(i=1;i<=n;i++)
    {
        range[i]=upper_bound(sum2,sum2+m+1,c[i]-sum1[i])-sum2-1;
        //printf("(%lld) ",range[i]);
    }
    //printf("\n");
    for(i=1;i<=m;i++)
    {
        x=upper_bound(sum1,sum1+n+1,d[i]-sum2[i])-sum1;
        del_list[x].push_back(i-1);
        //printf("(%lld)",x);
    }
    //printf("\n");
    for(auto xx:del_list[0])
    {
        cost[xx]=0;
    }
    for(i=1;i<=m;i++)
    {
        dp[i]=dp[i-1]+cost[i-1];
    }
    for(i=0;i<=m;i++)
    {
        add(i,i,dp[i]);
    }
    /*for(i=0;i<=m;i++)
    {
        printf("(%lld)",cost[i]);
    }
    printf("\n");
    */chain.insert({0,m});
    for(i=1;i<=n;i++)
    {show();
    v.clear();
        for(auto xx:del_list[i])
        {
            //printf("{%lld}\n",xx);
            if(1)
            {
                p=find_chain(xx);
            chain.erase(p);
            chain.insert({p.first,xx});
            if(xx+1<=p.second)
            chain.insert({xx+1,p.second});
            cost[xx]=0;
    v.push_back(xx);
            }
            else
            {
                p=find_chain(xx);
                //add(xx+1,p.second,-cost[xx]);
                cost[xx]=0;
            //reconstruct_chain(xx);
            v.push_back(xx);
            }
        }
        x=range[i];
        p=find_chain(x);
        if(x==-1)
            continue;
        /*if(add_cost[i]>0)
        {
            add(0,p.second,add_cost[i]);
            //printf("[%lld,%lld]\n",x,cost[x]);
        reconstruct_chain(x);
        }
        else*/
        {
            chain.erase(p);
            chain.insert({p.first,x});
            if(x+1<=p.second)
            chain.insert({x+1,p.second});
            add(0,x,add_cost[i]);
            //reconstruct_chain(x);
        v.push_back(x);
        }
        sort(v.begin(),v.end());
        for(j=0;j<v.size();j++)
            reconstruct_chain(v[j]);
    }
    s=-inf;
    show();
    for(i=m;i<=m;i++)
    {
        s=max(s,get_val(i));
    }
    printf("%lld",s);
}

Compilation message

dishes.cpp: In function 'int main()':
dishes.cpp:184:18: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  184 |         for(j=0;j<v.size();j++)
      |                 ~^~~~~~~~~
dishes.cpp:96:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   96 |     scanf("%lld %lld",&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
dishes.cpp:99:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   99 |         scanf("%lld %lld %lld",&a[i],&c[i],&add_cost[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dishes.cpp:104:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  104 |         scanf("%lld %lld %lld",&b[i],&d[i],&cost[i-1]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 557 ms 63448 KB Output is correct
2 Correct 500 ms 52116 KB Output is correct
3 Correct 214 ms 50624 KB Output is correct
4 Correct 443 ms 61276 KB Output is correct
5 Correct 10 ms 26460 KB Output is correct
6 Correct 565 ms 50776 KB Output is correct
7 Correct 141 ms 42100 KB Output is correct
8 Correct 157 ms 34176 KB Output is correct
9 Correct 237 ms 49860 KB Output is correct
10 Correct 557 ms 55668 KB Output is correct
11 Correct 278 ms 49856 KB Output is correct

Subtask #2
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 26248 KB Output is correct
2 Correct 13 ms 26460 KB Output is correct
3 Correct 13 ms 26456 KB Output is correct
4 Correct 15 ms 26444 KB Output is correct
5 Correct 10 ms 26456 KB Output is correct
6 Correct 9 ms 26460 KB Output is correct
7 Correct 14 ms 26460 KB Output is correct
8 Correct 11 ms 26404 KB Output is correct
9 Correct 14 ms 26456 KB Output is correct
10 Correct 14 ms 26460 KB Output is correct
11 Correct 14 ms 26460 KB Output is correct
12 Correct 14 ms 26460 KB Output is correct
13 Correct 9 ms 26460 KB Output is correct
14 Correct 10 ms 26372 KB Output is correct
15 Correct 11 ms 26296 KB Output is correct
16 Correct 11 ms 26460 KB Output is correct

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 26248 KB Output is correct
2 Correct 13 ms 26460 KB Output is correct
3 Correct 13 ms 26456 KB Output is correct
4 Correct 15 ms 26444 KB Output is correct
5 Correct 10 ms 26456 KB Output is correct
6 Correct 9 ms 26460 KB Output is correct
7 Correct 14 ms 26460 KB Output is correct
8 Correct 11 ms 26404 KB Output is correct
9 Correct 14 ms 26456 KB Output is correct
10 Correct 14 ms 26460 KB Output is correct
11 Correct 14 ms 26460 KB Output is correct
12 Correct 14 ms 26460 KB Output is correct
13 Correct 9 ms 26460 KB Output is correct
14 Correct 10 ms 26372 KB Output is correct
15 Correct 11 ms 26296 KB Output is correct
16 Correct 11 ms 26460 KB Output is correct
17 Correct 13 ms 26712 KB Output is correct
18 Correct 15 ms 26848 KB Output is correct
19 Correct 26 ms 26716 KB Output is correct
20 Correct 14 ms 26704 KB Output is correct
21 Correct 18 ms 26716 KB Output is correct
22 Correct 17 ms 26968 KB Output is correct
23 Correct 17 ms 26716 KB Output is correct

Subtask #4
39.0 / 39.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 26248 KB Output is correct
2 Correct 13 ms 26460 KB Output is correct
3 Correct 13 ms 26456 KB Output is correct
4 Correct 15 ms 26444 KB Output is correct
5 Correct 10 ms 26456 KB Output is correct
6 Correct 9 ms 26460 KB Output is correct
7 Correct 14 ms 26460 KB Output is correct
8 Correct 11 ms 26404 KB Output is correct
9 Correct 14 ms 26456 KB Output is correct
10 Correct 14 ms 26460 KB Output is correct
11 Correct 14 ms 26460 KB Output is correct
12 Correct 14 ms 26460 KB Output is correct
13 Correct 9 ms 26460 KB Output is correct
14 Correct 10 ms 26372 KB Output is correct
15 Correct 11 ms 26296 KB Output is correct
16 Correct 11 ms 26460 KB Output is correct
17 Correct 13 ms 26712 KB Output is correct
18 Correct 15 ms 26848 KB Output is correct
19 Correct 26 ms 26716 KB Output is correct
20 Correct 14 ms 26704 KB Output is correct
21 Correct 18 ms 26716 KB Output is correct
22 Correct 17 ms 26968 KB Output is correct
23 Correct 17 ms 26716 KB Output is correct
24 Correct 373 ms 50100 KB Output is correct
25 Correct 335 ms 63940 KB Output is correct
26 Correct 369 ms 49812 KB Output is correct
27 Correct 417 ms 66896 KB Output is correct
28 Correct 481 ms 50908 KB Output is correct
29 Correct 193 ms 53692 KB Output is correct
30 Correct 1124 ms 52556 KB Output is correct
31 Correct 218 ms 49144 KB Output is correct
32 Correct 183 ms 34116 KB Output is correct
33 Correct 562 ms 51692 KB Output is correct
34 Correct 687 ms 56056 KB Output is correct
35 Correct 916 ms 52620 KB Output is correct
36 Correct 919 ms 52588 KB Output is correct

Subtask #5
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 26248 KB Output is correct
2 Correct 13 ms 26460 KB Output is correct
3 Correct 13 ms 26456 KB Output is correct
4 Correct 15 ms 26444 KB Output is correct
5 Correct 10 ms 26456 KB Output is correct
6 Correct 9 ms 26460 KB Output is correct
7 Correct 14 ms 26460 KB Output is correct
8 Correct 11 ms 26404 KB Output is correct
9 Correct 14 ms 26456 KB Output is correct
10 Correct 14 ms 26460 KB Output is correct
11 Correct 14 ms 26460 KB Output is correct
12 Correct 14 ms 26460 KB Output is correct
13 Correct 9 ms 26460 KB Output is correct
14 Correct 10 ms 26372 KB Output is correct
15 Correct 11 ms 26296 KB Output is correct
16 Correct 11 ms 26460 KB Output is correct
17 Correct 13 ms 26712 KB Output is correct
18 Correct 15 ms 26848 KB Output is correct
19 Correct 26 ms 26716 KB Output is correct
20 Correct 14 ms 26704 KB Output is correct
21 Correct 18 ms 26716 KB Output is correct
22 Correct 17 ms 26968 KB Output is correct
23 Correct 17 ms 26716 KB Output is correct
24 Correct 373 ms 50100 KB Output is correct
25 Correct 335 ms 63940 KB Output is correct
26 Correct 369 ms 49812 KB Output is correct
27 Correct 417 ms 66896 KB Output is correct
28 Correct 481 ms 50908 KB Output is correct
29 Correct 193 ms 53692 KB Output is correct
30 Correct 1124 ms 52556 KB Output is correct
31 Correct 218 ms 49144 KB Output is correct
32 Correct 183 ms 34116 KB Output is correct
33 Correct 562 ms 51692 KB Output is correct
34 Correct 687 ms 56056 KB Output is correct
35 Correct 916 ms 52620 KB Output is correct
36 Correct 919 ms 52588 KB Output is correct
37 Correct 315 ms 49996 KB Output is correct
38 Correct 336 ms 67156 KB Output is correct
39 Correct 680 ms 67064 KB Output is correct
40 Correct 550 ms 54596 KB Output is correct
41 Correct 11 ms 26456 KB Output is correct
42 Correct 948 ms 52564 KB Output is correct
43 Correct 569 ms 51396 KB Output is correct
44 Correct 674 ms 56060 KB Output is correct
45 Correct 988 ms 52560 KB Output is correct

Subtask #6
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 26248 KB Output is correct
2 Correct 13 ms 26460 KB Output is correct
3 Correct 13 ms 26456 KB Output is correct
4 Correct 15 ms 26444 KB Output is correct
5 Correct 10 ms 26456 KB Output is correct
6 Correct 9 ms 26460 KB Output is correct
7 Correct 14 ms 26460 KB Output is correct
8 Correct 11 ms 26404 KB Output is correct
9 Correct 14 ms 26456 KB Output is correct
10 Correct 14 ms 26460 KB Output is correct
11 Correct 14 ms 26460 KB Output is correct
12 Correct 14 ms 26460 KB Output is correct
13 Correct 9 ms 26460 KB Output is correct
14 Correct 10 ms 26372 KB Output is correct
15 Correct 11 ms 26296 KB Output is correct
16 Correct 11 ms 26460 KB Output is correct
17 Correct 13 ms 26712 KB Output is correct
18 Correct 15 ms 26848 KB Output is correct
19 Correct 26 ms 26716 KB Output is correct
20 Correct 14 ms 26704 KB Output is correct
21 Correct 18 ms 26716 KB Output is correct
22 Correct 17 ms 26968 KB Output is correct
23 Correct 17 ms 26716 KB Output is correct
24 Correct 373 ms 50100 KB Output is correct
25 Correct 335 ms 63940 KB Output is correct
26 Correct 369 ms 49812 KB Output is correct
27 Correct 417 ms 66896 KB Output is correct
28 Correct 481 ms 50908 KB Output is correct
29 Correct 193 ms 53692 KB Output is correct
30 Correct 1124 ms 52556 KB Output is correct
31 Correct 218 ms 49144 KB Output is correct
32 Correct 183 ms 34116 KB Output is correct
33 Correct 562 ms 51692 KB Output is correct
34 Correct 687 ms 56056 KB Output is correct
35 Correct 916 ms 52620 KB Output is correct
36 Correct 919 ms 52588 KB Output is correct
37 Correct 315 ms 49996 KB Output is correct
38 Correct 336 ms 67156 KB Output is correct
39 Correct 680 ms 67064 KB Output is correct
40 Correct 550 ms 54596 KB Output is correct
41 Correct 11 ms 26456 KB Output is correct
42 Correct 948 ms 52564 KB Output is correct
43 Correct 569 ms 51396 KB Output is correct
44 Correct 674 ms 56060 KB Output is correct
45 Correct 988 ms 52560 KB Output is correct
46 Correct 1686 ms 143768 KB Output is correct
47 Correct 1880 ms 229712 KB Output is correct
48 Correct 3979 ms 229524 KB Output is correct
49 Correct 2505 ms 167264 KB Output is correct
50 Correct 5942 ms 157324 KB Output is correct
51 Correct 3417 ms 149484 KB Output is correct
52 Correct 4211 ms 168748 KB Output is correct
53 Correct 5724 ms 157004 KB Output is correct

Subtask #7
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 557 ms 63448 KB Output is correct
2 Correct 500 ms 52116 KB Output is correct
3 Correct 214 ms 50624 KB Output is correct
4 Correct 443 ms 61276 KB Output is correct
5 Correct 10 ms 26460 KB Output is correct
6 Correct 565 ms 50776 KB Output is correct
7 Correct 141 ms 42100 KB Output is correct
8 Correct 157 ms 34176 KB Output is correct
9 Correct 237 ms 49860 KB Output is correct
10 Correct 557 ms 55668 KB Output is correct
11 Correct 278 ms 49856 KB Output is correct
12 Correct 15 ms 26248 KB Output is correct
13 Correct 13 ms 26460 KB Output is correct
14 Correct 13 ms 26456 KB Output is correct
15 Correct 15 ms 26444 KB Output is correct
16 Correct 10 ms 26456 KB Output is correct
17 Correct 9 ms 26460 KB Output is correct
18 Correct 14 ms 26460 KB Output is correct
19 Correct 11 ms 26404 KB Output is correct
20 Correct 14 ms 26456 KB Output is correct
21 Correct 14 ms 26460 KB Output is correct
22 Correct 14 ms 26460 KB Output is correct
23 Correct 14 ms 26460 KB Output is correct
24 Correct 9 ms 26460 KB Output is correct
25 Correct 10 ms 26372 KB Output is correct
26 Correct 11 ms 26296 KB Output is correct
27 Correct 11 ms 26460 KB Output is correct
28 Correct 13 ms 26712 KB Output is correct
29 Correct 15 ms 26848 KB Output is correct
30 Correct 26 ms 26716 KB Output is correct
31 Correct 14 ms 26704 KB Output is correct
32 Correct 18 ms 26716 KB Output is correct
33 Correct 17 ms 26968 KB Output is correct
34 Correct 17 ms 26716 KB Output is correct
35 Correct 373 ms 50100 KB Output is correct
36 Correct 335 ms 63940 KB Output is correct
37 Correct 369 ms 49812 KB Output is correct
38 Correct 417 ms 66896 KB Output is correct
39 Correct 481 ms 50908 KB Output is correct
40 Correct 193 ms 53692 KB Output is correct
41 Correct 1124 ms 52556 KB Output is correct
42 Correct 218 ms 49144 KB Output is correct
43 Correct 183 ms 34116 KB Output is correct
44 Correct 562 ms 51692 KB Output is correct
45 Correct 687 ms 56056 KB Output is correct
46 Correct 916 ms 52620 KB Output is correct
47 Correct 919 ms 52588 KB Output is correct
48 Correct 315 ms 49996 KB Output is correct
49 Correct 336 ms 67156 KB Output is correct
50 Correct 680 ms 67064 KB Output is correct
51 Correct 550 ms 54596 KB Output is correct
52 Correct 11 ms 26456 KB Output is correct
53 Correct 948 ms 52564 KB Output is correct
54 Correct 569 ms 51396 KB Output is correct
55 Correct 674 ms 56060 KB Output is correct
56 Correct 988 ms 52560 KB Output is correct
57 Correct 428 ms 62284 KB Output is correct
58 Incorrect 381 ms 60812 KB Output isn't correct
59 Halted 0 ms 0 KB -

Subtask #8
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 557 ms 63448 KB Output is correct
2 Correct 500 ms 52116 KB Output is correct
3 Correct 214 ms 50624 KB Output is correct
4 Correct 443 ms 61276 KB Output is correct
5 Correct 10 ms 26460 KB Output is correct
6 Correct 565 ms 50776 KB Output is correct
7 Correct 141 ms 42100 KB Output is correct
8 Correct 157 ms 34176 KB Output is correct
9 Correct 237 ms 49860 KB Output is correct
10 Correct 557 ms 55668 KB Output is correct
11 Correct 278 ms 49856 KB Output is correct
12 Correct 15 ms 26248 KB Output is correct
13 Correct 13 ms 26460 KB Output is correct
14 Correct 13 ms 26456 KB Output is correct
15 Correct 15 ms 26444 KB Output is correct
16 Correct 10 ms 26456 KB Output is correct
17 Correct 9 ms 26460 KB Output is correct
18 Correct 14 ms 26460 KB Output is correct
19 Correct 11 ms 26404 KB Output is correct
20 Correct 14 ms 26456 KB Output is correct
21 Correct 14 ms 26460 KB Output is correct
22 Correct 14 ms 26460 KB Output is correct
23 Correct 14 ms 26460 KB Output is correct
24 Correct 9 ms 26460 KB Output is correct
25 Correct 10 ms 26372 KB Output is correct
26 Correct 11 ms 26296 KB Output is correct
27 Correct 11 ms 26460 KB Output is correct
28 Correct 13 ms 26712 KB Output is correct
29 Correct 15 ms 26848 KB Output is correct
30 Correct 26 ms 26716 KB Output is correct
31 Correct 14 ms 26704 KB Output is correct
32 Correct 18 ms 26716 KB Output is correct
33 Correct 17 ms 26968 KB Output is correct
34 Correct 17 ms 26716 KB Output is correct
35 Correct 373 ms 50100 KB Output is correct
36 Correct 335 ms 63940 KB Output is correct
37 Correct 369 ms 49812 KB Output is correct
38 Correct 417 ms 66896 KB Output is correct
39 Correct 481 ms 50908 KB Output is correct
40 Correct 193 ms 53692 KB Output is correct
41 Correct 1124 ms 52556 KB Output is correct
42 Correct 218 ms 49144 KB Output is correct
43 Correct 183 ms 34116 KB Output is correct
44 Correct 562 ms 51692 KB Output is correct
45 Correct 687 ms 56056 KB Output is correct
46 Correct 916 ms 52620 KB Output is correct
47 Correct 919 ms 52588 KB Output is correct
48 Correct 315 ms 49996 KB Output is correct
49 Correct 336 ms 67156 KB Output is correct
50 Correct 680 ms 67064 KB Output is correct
51 Correct 550 ms 54596 KB Output is correct
52 Correct 11 ms 26456 KB Output is correct
53 Correct 948 ms 52564 KB Output is correct
54 Correct 569 ms 51396 KB Output is correct
55 Correct 674 ms 56060 KB Output is correct
56 Correct 988 ms 52560 KB Output is correct
57 Correct 1686 ms 143768 KB Output is correct
58 Correct 1880 ms 229712 KB Output is correct
59 Correct 3979 ms 229524 KB Output is correct
60 Correct 2505 ms 167264 KB Output is correct
61 Correct 5942 ms 157324 KB Output is correct
62 Correct 3417 ms 149484 KB Output is correct
63 Correct 4211 ms 168748 KB Output is correct
64 Correct 5724 ms 157004 KB Output is correct
65 Correct 428 ms 62284 KB Output is correct
66 Incorrect 381 ms 60812 KB Output isn't correct
67 Halted 0 ms 0 KB -