oj.uz

Submission #1038796

# Submission time Handle Problem Language Result Execution time Memory
1038796 2024-07-30T07:46:26 Z ibm2006 Two Dishes (JOI19_dishes) C++17
74 / 100
 6598 ms 230024 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(cost[xx]>0)
            {
                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

# Verdict Execution time Memory Grader output
1 Correct 474 ms 63388 KB Output is correct
2 Correct 441 ms 52112 KB Output is correct
3 Correct 196 ms 50004 KB Output is correct
4 Correct 384 ms 59852 KB Output is correct
5 Correct 9 ms 26456 KB Output is correct
6 Correct 430 ms 50824 KB Output is correct
7 Correct 113 ms 42176 KB Output is correct
8 Correct 110 ms 34132 KB Output is correct
9 Correct 197 ms 50152 KB Output is correct
10 Correct 520 ms 54512 KB Output is correct
11 Correct 173 ms 49844 KB Output is correct

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 26460 KB Output is correct
2 Correct 9 ms 26356 KB Output is correct
3 Correct 10 ms 26456 KB Output is correct
4 Correct 10 ms 26460 KB Output is correct
5 Correct 10 ms 26440 KB Output is correct
6 Correct 10 ms 26460 KB Output is correct
7 Correct 13 ms 26460 KB Output is correct
8 Correct 13 ms 26308 KB Output is correct
9 Correct 9 ms 26400 KB Output is correct
10 Correct 9 ms 26460 KB Output is correct
11 Correct 9 ms 26460 KB Output is correct
12 Correct 9 ms 26460 KB Output is correct
13 Correct 10 ms 26460 KB Output is correct
14 Correct 10 ms 26376 KB Output is correct
15 Correct 10 ms 26460 KB Output is correct
16 Correct 9 ms 26488 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 26460 KB Output is correct
2 Correct 9 ms 26356 KB Output is correct
3 Correct 10 ms 26456 KB Output is correct
4 Correct 10 ms 26460 KB Output is correct
5 Correct 10 ms 26440 KB Output is correct
6 Correct 10 ms 26460 KB Output is correct
7 Correct 13 ms 26460 KB Output is correct
8 Correct 13 ms 26308 KB Output is correct
9 Correct 9 ms 26400 KB Output is correct
10 Correct 9 ms 26460 KB Output is correct
11 Correct 9 ms 26460 KB Output is correct
12 Correct 9 ms 26460 KB Output is correct
13 Correct 10 ms 26460 KB Output is correct
14 Correct 10 ms 26376 KB Output is correct
15 Correct 10 ms 26460 KB Output is correct
16 Correct 9 ms 26488 KB Output is correct
17 Correct 13 ms 26716 KB Output is correct
18 Correct 14 ms 26616 KB Output is correct
19 Correct 18 ms 26716 KB Output is correct
20 Correct 15 ms 26712 KB Output is correct
21 Correct 15 ms 26716 KB Output is correct
22 Correct 18 ms 26716 KB Output is correct
23 Correct 17 ms 26600 KB Output is correct

Subtask #4
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 26460 KB Output is correct
2 Correct 9 ms 26356 KB Output is correct
3 Correct 10 ms 26456 KB Output is correct
4 Correct 10 ms 26460 KB Output is correct
5 Correct 10 ms 26440 KB Output is correct
6 Correct 10 ms 26460 KB Output is correct
7 Correct 13 ms 26460 KB Output is correct
8 Correct 13 ms 26308 KB Output is correct
9 Correct 9 ms 26400 KB Output is correct
10 Correct 9 ms 26460 KB Output is correct
11 Correct 9 ms 26460 KB Output is correct
12 Correct 9 ms 26460 KB Output is correct
13 Correct 10 ms 26460 KB Output is correct
14 Correct 10 ms 26376 KB Output is correct
15 Correct 10 ms 26460 KB Output is correct
16 Correct 9 ms 26488 KB Output is correct
17 Correct 13 ms 26716 KB Output is correct
18 Correct 14 ms 26616 KB Output is correct
19 Correct 18 ms 26716 KB Output is correct
20 Correct 15 ms 26712 KB Output is correct
21 Correct 15 ms 26716 KB Output is correct
22 Correct 18 ms 26716 KB Output is correct
23 Correct 17 ms 26600 KB Output is correct
24 Correct 369 ms 50000 KB Output is correct
25 Correct 326 ms 63940 KB Output is correct
26 Correct 352 ms 49808 KB Output is correct
27 Correct 401 ms 66996 KB Output is correct
28 Correct 392 ms 50884 KB Output is correct
29 Correct 178 ms 49944 KB Output is correct
30 Correct 954 ms 52824 KB Output is correct
31 Correct 206 ms 48996 KB Output is correct
32 Correct 159 ms 34132 KB Output is correct
33 Correct 543 ms 51400 KB Output is correct
34 Correct 716 ms 56016 KB Output is correct
35 Correct 921 ms 52820 KB Output is correct
36 Correct 890 ms 52460 KB Output is correct

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 26460 KB Output is correct
2 Correct 9 ms 26356 KB Output is correct
3 Correct 10 ms 26456 KB Output is correct
4 Correct 10 ms 26460 KB Output is correct
5 Correct 10 ms 26440 KB Output is correct
6 Correct 10 ms 26460 KB Output is correct
7 Correct 13 ms 26460 KB Output is correct
8 Correct 13 ms 26308 KB Output is correct
9 Correct 9 ms 26400 KB Output is correct
10 Correct 9 ms 26460 KB Output is correct
11 Correct 9 ms 26460 KB Output is correct
12 Correct 9 ms 26460 KB Output is correct
13 Correct 10 ms 26460 KB Output is correct
14 Correct 10 ms 26376 KB Output is correct
15 Correct 10 ms 26460 KB Output is correct
16 Correct 9 ms 26488 KB Output is correct
17 Correct 13 ms 26716 KB Output is correct
18 Correct 14 ms 26616 KB Output is correct
19 Correct 18 ms 26716 KB Output is correct
20 Correct 15 ms 26712 KB Output is correct
21 Correct 15 ms 26716 KB Output is correct
22 Correct 18 ms 26716 KB Output is correct
23 Correct 17 ms 26600 KB Output is correct
24 Correct 369 ms 50000 KB Output is correct
25 Correct 326 ms 63940 KB Output is correct
26 Correct 352 ms 49808 KB Output is correct
27 Correct 401 ms 66996 KB Output is correct
28 Correct 392 ms 50884 KB Output is correct
29 Correct 178 ms 49944 KB Output is correct
30 Correct 954 ms 52824 KB Output is correct
31 Correct 206 ms 48996 KB Output is correct
32 Correct 159 ms 34132 KB Output is correct
33 Correct 543 ms 51400 KB Output is correct
34 Correct 716 ms 56016 KB Output is correct
35 Correct 921 ms 52820 KB Output is correct
36 Correct 890 ms 52460 KB Output is correct
37 Correct 346 ms 49996 KB Output is correct
38 Correct 334 ms 67120 KB Output is correct
39 Correct 674 ms 66900 KB Output is correct
40 Correct 456 ms 54600 KB Output is correct
41 Correct 9 ms 26460 KB Output is correct
42 Correct 951 ms 52564 KB Output is correct
43 Correct 513 ms 51256 KB Output is correct
44 Correct 680 ms 56144 KB Output is correct
45 Correct 963 ms 52684 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 26460 KB Output is correct
2 Correct 9 ms 26356 KB Output is correct
3 Correct 10 ms 26456 KB Output is correct
4 Correct 10 ms 26460 KB Output is correct
5 Correct 10 ms 26440 KB Output is correct
6 Correct 10 ms 26460 KB Output is correct
7 Correct 13 ms 26460 KB Output is correct
8 Correct 13 ms 26308 KB Output is correct
9 Correct 9 ms 26400 KB Output is correct
10 Correct 9 ms 26460 KB Output is correct
11 Correct 9 ms 26460 KB Output is correct
12 Correct 9 ms 26460 KB Output is correct
13 Correct 10 ms 26460 KB Output is correct
14 Correct 10 ms 26376 KB Output is correct
15 Correct 10 ms 26460 KB Output is correct
16 Correct 9 ms 26488 KB Output is correct
17 Correct 13 ms 26716 KB Output is correct
18 Correct 14 ms 26616 KB Output is correct
19 Correct 18 ms 26716 KB Output is correct
20 Correct 15 ms 26712 KB Output is correct
21 Correct 15 ms 26716 KB Output is correct
22 Correct 18 ms 26716 KB Output is correct
23 Correct 17 ms 26600 KB Output is correct
24 Correct 369 ms 50000 KB Output is correct
25 Correct 326 ms 63940 KB Output is correct
26 Correct 352 ms 49808 KB Output is correct
27 Correct 401 ms 66996 KB Output is correct
28 Correct 392 ms 50884 KB Output is correct
29 Correct 178 ms 49944 KB Output is correct
30 Correct 954 ms 52824 KB Output is correct
31 Correct 206 ms 48996 KB Output is correct
32 Correct 159 ms 34132 KB Output is correct
33 Correct 543 ms 51400 KB Output is correct
34 Correct 716 ms 56016 KB Output is correct
35 Correct 921 ms 52820 KB Output is correct
36 Correct 890 ms 52460 KB Output is correct
37 Correct 346 ms 49996 KB Output is correct
38 Correct 334 ms 67120 KB Output is correct
39 Correct 674 ms 66900 KB Output is correct
40 Correct 456 ms 54600 KB Output is correct
41 Correct 9 ms 26460 KB Output is correct
42 Correct 951 ms 52564 KB Output is correct
43 Correct 513 ms 51256 KB Output is correct
44 Correct 680 ms 56144 KB Output is correct
45 Correct 963 ms 52684 KB Output is correct
46 Correct 1623 ms 143780 KB Output is correct
47 Correct 1976 ms 229856 KB Output is correct
48 Correct 3829 ms 230024 KB Output is correct
49 Correct 2224 ms 167256 KB Output is correct
50 Correct 5813 ms 157072 KB Output is correct
51 Correct 3028 ms 149280 KB Output is correct
52 Correct 4137 ms 168896 KB Output is correct
53 Correct 6598 ms 157016 KB Output is correct

Subtask #7
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 474 ms 63388 KB Output is correct
2 Correct 441 ms 52112 KB Output is correct
3 Correct 196 ms 50004 KB Output is correct
4 Correct 384 ms 59852 KB Output is correct
5 Correct 9 ms 26456 KB Output is correct
6 Correct 430 ms 50824 KB Output is correct
7 Correct 113 ms 42176 KB Output is correct
8 Correct 110 ms 34132 KB Output is correct
9 Correct 197 ms 50152 KB Output is correct
10 Correct 520 ms 54512 KB Output is correct
11 Correct 173 ms 49844 KB Output is correct
12 Correct 10 ms 26460 KB Output is correct
13 Correct 9 ms 26356 KB Output is correct
14 Correct 10 ms 26456 KB Output is correct
15 Correct 10 ms 26460 KB Output is correct
16 Correct 10 ms 26440 KB Output is correct
17 Correct 10 ms 26460 KB Output is correct
18 Correct 13 ms 26460 KB Output is correct
19 Correct 13 ms 26308 KB Output is correct
20 Correct 9 ms 26400 KB Output is correct
21 Correct 9 ms 26460 KB Output is correct
22 Correct 9 ms 26460 KB Output is correct
23 Correct 9 ms 26460 KB Output is correct
24 Correct 10 ms 26460 KB Output is correct
25 Correct 10 ms 26376 KB Output is correct
26 Correct 10 ms 26460 KB Output is correct
27 Correct 9 ms 26488 KB Output is correct
28 Correct 13 ms 26716 KB Output is correct
29 Correct 14 ms 26616 KB Output is correct
30 Correct 18 ms 26716 KB Output is correct
31 Correct 15 ms 26712 KB Output is correct
32 Correct 15 ms 26716 KB Output is correct
33 Correct 18 ms 26716 KB Output is correct
34 Correct 17 ms 26600 KB Output is correct
35 Correct 369 ms 50000 KB Output is correct
36 Correct 326 ms 63940 KB Output is correct
37 Correct 352 ms 49808 KB Output is correct
38 Correct 401 ms 66996 KB Output is correct
39 Correct 392 ms 50884 KB Output is correct
40 Correct 178 ms 49944 KB Output is correct
41 Correct 954 ms 52824 KB Output is correct
42 Correct 206 ms 48996 KB Output is correct
43 Correct 159 ms 34132 KB Output is correct
44 Correct 543 ms 51400 KB Output is correct
45 Correct 716 ms 56016 KB Output is correct
46 Correct 921 ms 52820 KB Output is correct
47 Correct 890 ms 52460 KB Output is correct
48 Correct 346 ms 49996 KB Output is correct
49 Correct 334 ms 67120 KB Output is correct
50 Correct 674 ms 66900 KB Output is correct
51 Correct 456 ms 54600 KB Output is correct
52 Correct 9 ms 26460 KB Output is correct
53 Correct 951 ms 52564 KB Output is correct
54 Correct 513 ms 51256 KB Output is correct
55 Correct 680 ms 56144 KB Output is correct
56 Correct 963 ms 52684 KB Output is correct
57 Correct 514 ms 62352 KB Output is correct
58 Incorrect 195 ms 54520 KB Output isn't correct
59 Halted 0 ms 0 KB -

Subtask #8
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 474 ms 63388 KB Output is correct
2 Correct 441 ms 52112 KB Output is correct
3 Correct 196 ms 50004 KB Output is correct
4 Correct 384 ms 59852 KB Output is correct
5 Correct 9 ms 26456 KB Output is correct
6 Correct 430 ms 50824 KB Output is correct
7 Correct 113 ms 42176 KB Output is correct
8 Correct 110 ms 34132 KB Output is correct
9 Correct 197 ms 50152 KB Output is correct
10 Correct 520 ms 54512 KB Output is correct
11 Correct 173 ms 49844 KB Output is correct
12 Correct 10 ms 26460 KB Output is correct
13 Correct 9 ms 26356 KB Output is correct
14 Correct 10 ms 26456 KB Output is correct
15 Correct 10 ms 26460 KB Output is correct
16 Correct 10 ms 26440 KB Output is correct
17 Correct 10 ms 26460 KB Output is correct
18 Correct 13 ms 26460 KB Output is correct
19 Correct 13 ms 26308 KB Output is correct
20 Correct 9 ms 26400 KB Output is correct
21 Correct 9 ms 26460 KB Output is correct
22 Correct 9 ms 26460 KB Output is correct
23 Correct 9 ms 26460 KB Output is correct
24 Correct 10 ms 26460 KB Output is correct
25 Correct 10 ms 26376 KB Output is correct
26 Correct 10 ms 26460 KB Output is correct
27 Correct 9 ms 26488 KB Output is correct
28 Correct 13 ms 26716 KB Output is correct
29 Correct 14 ms 26616 KB Output is correct
30 Correct 18 ms 26716 KB Output is correct
31 Correct 15 ms 26712 KB Output is correct
32 Correct 15 ms 26716 KB Output is correct
33 Correct 18 ms 26716 KB Output is correct
34 Correct 17 ms 26600 KB Output is correct
35 Correct 369 ms 50000 KB Output is correct
36 Correct 326 ms 63940 KB Output is correct
37 Correct 352 ms 49808 KB Output is correct
38 Correct 401 ms 66996 KB Output is correct
39 Correct 392 ms 50884 KB Output is correct
40 Correct 178 ms 49944 KB Output is correct
41 Correct 954 ms 52824 KB Output is correct
42 Correct 206 ms 48996 KB Output is correct
43 Correct 159 ms 34132 KB Output is correct
44 Correct 543 ms 51400 KB Output is correct
45 Correct 716 ms 56016 KB Output is correct
46 Correct 921 ms 52820 KB Output is correct
47 Correct 890 ms 52460 KB Output is correct
48 Correct 346 ms 49996 KB Output is correct
49 Correct 334 ms 67120 KB Output is correct
50 Correct 674 ms 66900 KB Output is correct
51 Correct 456 ms 54600 KB Output is correct
52 Correct 9 ms 26460 KB Output is correct
53 Correct 951 ms 52564 KB Output is correct
54 Correct 513 ms 51256 KB Output is correct
55 Correct 680 ms 56144 KB Output is correct
56 Correct 963 ms 52684 KB Output is correct
57 Correct 1623 ms 143780 KB Output is correct
58 Correct 1976 ms 229856 KB Output is correct
59 Correct 3829 ms 230024 KB Output is correct
60 Correct 2224 ms 167256 KB Output is correct
61 Correct 5813 ms 157072 KB Output is correct
62 Correct 3028 ms 149280 KB Output is correct
63 Correct 4137 ms 168896 KB Output is correct
64 Correct 6598 ms 157016 KB Output is correct
65 Correct 514 ms 62352 KB Output is correct
66 Incorrect 195 ms 54520 KB Output isn't correct
67 Halted 0 ms 0 KB -