oj.uz

Submission #548280

# Submission time Handle Problem Language Result Execution time Memory
548280 2022-04-12T20:56:04 Z duality Ants and Sugar (JOI22_sugar) C++17
48 / 100
 4000 ms 264936 KB 
#define DEBUG 0

#include <bits/stdc++.h>
using namespace std;

#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}

// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
    public:
        template<typename T>
        _Debug& operator,(T val) {
            cout << val << endl;
            return *this;
        }
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif

// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back

// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;

// ---------- END OF TEMPLATE ----------
#pragma GCC optimize("Ofast")

int T[500000],X[500000],A[500000];
vpii all;
struct node { LLI ans,ss,ee,both,sum; };
node com(node a,node b) {
    node c;
    c.ans = max(max(a.ans+b.ans,a.ss+b.ee),(LLI) -3e18);
    c.ss = max(max(a.ans+b.ss,a.ss+max(b.both,b.sum)),(LLI) -3e18);
    c.ee = max(max(a.ee+b.ans,max(a.both,a.sum)+b.ee),(LLI) -3e18);
    c.both = max(max(max(a.ee+b.ss,a.both+max(b.both,b.sum)),a.sum+b.both),(LLI) -3e18);
    c.sum = a.sum+b.sum;
    return c;
}
int on[1500000];
node tree[1 << 22];
LLI lazys[1 << 22],lazye[1 << 22];
int build(int s,int e,int i) {
    if (s == e) {
        tree[i] = (node){0LL,(LLI) -3e18,(LLI) -3e18,(LLI) -3e18,0LL};
        return 0;
    }

    int mid = (s+e) / 2;
    build(s,mid,2*i+1),build(mid+1,e,2*i+2);
    tree[i] = (node){0LL,(LLI) -3e18,(LLI) -3e18,(LLI) -3e18,0LL};
    return 0;
}
int prop(int s,int e,int i) {
    if (lazys[i] != 0) {
        tree[i].ss += lazys[i],tree[i].both += lazys[i];
        if (s != e) lazys[2*i+1] += lazys[i],lazys[2*i+2] += lazys[i];
        lazys[i] = 0;
    }
    if (lazye[i] != 0) {
        tree[i].ee += lazye[i],tree[i].both += lazye[i];
        if (s != e) lazye[2*i+1] += lazye[i],lazye[2*i+2] += lazye[i];
        lazye[i] = 0;
    }
    return 0;
}
int update(int s,int e,int ai,int i,int num) {
    prop(s,e,i);
    if ((s > ai) || (e < ai)) return 0;
    else if (s == e) {
        tree[i].sum += num;
        return 0;
    }

    int mid = (s+e) / 2;
    update(s,mid,ai,2*i+1,num),update(mid+1,e,ai,2*i+2,num);
    tree[i] = com(tree[2*i+1],tree[2*i+2]);
    //cout<<"tree["<<s<<","<<e<<"]:"<<tree[i].ss<<","<<tree[i].ee<<","<<tree[i].ans<<","<<tree[i].both<<","<<tree[i].sum<<endl;
    //cout<<"tree["<<s<<","<<mid<<"]:"<<tree[2*i+1].ss<<","<<tree[2*i+1].ee<<","<<tree[2*i+1].ans<<","<<tree[2*i+1].both<<","<<tree[2*i+1].sum<<endl;
    //cout<<"tree["<<mid+1<<","<<e<<"]:"<<tree[2*i+2].ss<<","<<tree[2*i+2].ee<<","<<tree[2*i+2].ans<<","<<tree[2*i+2].both<<","<<tree[2*i+2].sum<<endl;
    return 0;
}
int activate(int s,int e,int ai,int i) {
    prop(s,e,i);
    if ((s > ai) || (e < ai)) return 0;
    else if (s == e) {
        //cout<<"activate tree["<<s<<"]: "<<tree[i].ss<<","<<tree[i].ee<<endl;
        if (all[s].second == -1) tree[i].ss += (LLI) 3e18;
        else tree[i].ee += (LLI) 3e18;
        //cout<<s<<": ss="<<tree[i].ss<<endl;
        //cout<<s<<": ee="<<tree[i].ee<<endl;
        return 0;
    }

    int mid = (s+e) / 2;
    activate(s,mid,ai,2*i+1),activate(mid+1,e,ai,2*i+2);
    tree[i] = com(tree[2*i+1],tree[2*i+2]);
    return 0;
}
int update2(int s,int e,int as,int ae,int i,int t,int num) {
    prop(s,e,i);
    if ((s > ae) || (e < as)) return 0;
    else if ((s >= as) && (e <= ae)) {
        if (t == 0) lazys[i] += num;
        else lazye[i] += num;
        prop(s,e,i);
        //cout<<"tree["<<s<<"]: "<<tree[i].ss<<","<<tree[i].ee<<endl;
        return 0;
    }

    int mid = (s+e) / 2;
    update2(s,mid,as,ae,2*i+1,t,num),update2(mid+1,e,as,ae,2*i+2,t,num);
    tree[i] = com(tree[2*i+1],tree[2*i+2]);
    return 0;
}
int main() {
    int i;
    int Q,L;
    scanf("%d %d",&Q,&L);
    for (i = 0; i < Q; i++) {
        scanf("%d %d %d",&T[i],&X[i],&A[i]);
        if (T[i] == 1) all.pb(mp(X[i]-L,-1)),all.pb(mp(X[i],0)),all.pb(mp(X[i]+L,1));
        else all.pb(mp(X[i],0));
    }

    LLI sum = 0;
    sort(all.begin(),all.end());
    all.resize(unique(all.begin(),all.end())-all.begin());
    build(0,all.size()-1,0);
    //for (pii p: all) cout<<p.first<<","<<p.second<<" ";
    //cout<<endl;
    for (i = 0; i < Q; i++) {
        if (T[i] == 1) {
            int p = lower_bound(all.begin(),all.end(),mp(X[i]-L,-1))-all.begin();
            int q = lower_bound(all.begin(),all.end(),mp(X[i],0))-all.begin();
            int r = lower_bound(all.begin(),all.end(),mp(X[i]+L,1))-all.begin();
            if (!on[p]) activate(0,all.size()-1,p,0),on[p] = 1;
            if (!on[r]) activate(0,all.size()-1,r,0),on[r] = 1;
            update(0,all.size()-1,q,0,A[i]);
            update2(0,all.size()-1,p+1,q,0,0,-A[i]);
            update2(0,all.size()-1,q,r-1,0,1,-A[i]);
            //cout<<p<<";"<<q<<";"<<r<<endl;
            sum += A[i];
        }
        else {
            int p = lower_bound(all.begin(),all.end(),mp(X[i],0))-all.begin();
            update(0,all.size()-1,p,0,-A[i]);
        }
        printf("%lld\n",sum-tree[0].ans);
    }

    return 0;
}

Compilation message

sugar.cpp: In function 'int main()':
sugar.cpp:150:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  150 |     scanf("%d %d",&Q,&L);
      |     ~~~~~^~~~~~~~~~~~~~~
sugar.cpp:152:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  152 |         scanf("%d %d %d",&T[i],&X[i],&A[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 4 ms 980 KB Output is correct
7 Correct 4 ms 912 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 6 ms 1352 KB Output is correct
11 Correct 6 ms 1492 KB Output is correct
12 Correct 6 ms 1452 KB Output is correct
13 Correct 7 ms 1524 KB Output is correct
14 Correct 3 ms 724 KB Output is correct
15 Correct 3 ms 852 KB Output is correct
16 Correct 9 ms 2516 KB Output is correct
17 Correct 11 ms 2676 KB Output is correct
18 Correct 9 ms 2388 KB Output is correct
19 Correct 6 ms 1492 KB Output is correct
20 Correct 10 ms 2388 KB Output is correct
21 Correct 7 ms 1492 KB Output is correct
22 Correct 13 ms 2388 KB Output is correct
23 Correct 7 ms 1492 KB Output is correct
24 Correct 12 ms 2372 KB Output is correct
25 Correct 8 ms 1364 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 312 KB Output is correct
2 Correct 1 ms 308 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1016 ms 75172 KB Output is correct
5 Correct 501 ms 69720 KB Output is correct
6 Correct 1223 ms 126336 KB Output is correct
7 Correct 505 ms 69680 KB Output is correct
8 Correct 1543 ms 138112 KB Output is correct
9 Correct 1050 ms 140064 KB Output is correct
10 Correct 1470 ms 137804 KB Output is correct
11 Correct 1038 ms 139552 KB Output is correct
12 Correct 454 ms 67380 KB Output is correct
13 Correct 668 ms 127352 KB Output is correct
14 Correct 1047 ms 135460 KB Output is correct
15 Correct 1038 ms 135332 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 470 ms 66856 KB Output is correct
3 Correct 672 ms 125992 KB Output is correct
4 Correct 1058 ms 134848 KB Output is correct
5 Correct 1053 ms 134572 KB Output is correct
6 Correct 1193 ms 131552 KB Output is correct
7 Correct 67 ms 9144 KB Output is correct
8 Correct 589 ms 66816 KB Output is correct
9 Correct 889 ms 70948 KB Output is correct
10 Correct 1635 ms 136500 KB Output is correct
11 Correct 1707 ms 136892 KB Output is correct
12 Correct 1635 ms 136532 KB Output is correct
13 Correct 1607 ms 136292 KB Output is correct
14 Correct 1683 ms 136612 KB Output is correct
15 Correct 1534 ms 131500 KB Output is correct
16 Correct 1617 ms 135580 KB Output is correct
17 Correct 1951 ms 138316 KB Output is correct
18 Correct 2220 ms 139208 KB Output is correct
19 Correct 2335 ms 139244 KB Output is correct
20 Correct 2129 ms 139256 KB Output is correct
21 Correct 2325 ms 139372 KB Output is correct
22 Correct 2432 ms 138844 KB Output is correct
23 Correct 2381 ms 138520 KB Output is correct
24 Correct 2290 ms 130992 KB Output is correct
25 Correct 2439 ms 135272 KB Output is correct

Subtask #4
0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 316 KB Output is correct
6 Correct 4 ms 980 KB Output is correct
7 Correct 4 ms 912 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 2 ms 596 KB Output is correct
10 Correct 6 ms 1352 KB Output is correct
11 Correct 6 ms 1492 KB Output is correct
12 Correct 6 ms 1452 KB Output is correct
13 Correct 7 ms 1524 KB Output is correct
14 Correct 3 ms 724 KB Output is correct
15 Correct 3 ms 852 KB Output is correct
16 Correct 9 ms 2516 KB Output is correct
17 Correct 11 ms 2676 KB Output is correct
18 Correct 9 ms 2388 KB Output is correct
19 Correct 6 ms 1492 KB Output is correct
20 Correct 10 ms 2388 KB Output is correct
21 Correct 7 ms 1492 KB Output is correct
22 Correct 13 ms 2388 KB Output is correct
23 Correct 7 ms 1492 KB Output is correct
24 Correct 12 ms 2372 KB Output is correct
25 Correct 8 ms 1364 KB Output is correct
26 Correct 1 ms 312 KB Output is correct
27 Correct 1 ms 308 KB Output is correct
28 Correct 1 ms 312 KB Output is correct
29 Correct 1016 ms 75172 KB Output is correct
30 Correct 501 ms 69720 KB Output is correct
31 Correct 1223 ms 126336 KB Output is correct
32 Correct 505 ms 69680 KB Output is correct
33 Correct 1543 ms 138112 KB Output is correct
34 Correct 1050 ms 140064 KB Output is correct
35 Correct 1470 ms 137804 KB Output is correct
36 Correct 1038 ms 139552 KB Output is correct
37 Correct 454 ms 67380 KB Output is correct
38 Correct 668 ms 127352 KB Output is correct
39 Correct 1047 ms 135460 KB Output is correct
40 Correct 1038 ms 135332 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 470 ms 66856 KB Output is correct
43 Correct 672 ms 125992 KB Output is correct
44 Correct 1058 ms 134848 KB Output is correct
45 Correct 1053 ms 134572 KB Output is correct
46 Correct 1193 ms 131552 KB Output is correct
47 Correct 67 ms 9144 KB Output is correct
48 Correct 589 ms 66816 KB Output is correct
49 Correct 889 ms 70948 KB Output is correct
50 Correct 1635 ms 136500 KB Output is correct
51 Correct 1707 ms 136892 KB Output is correct
52 Correct 1635 ms 136532 KB Output is correct
53 Correct 1607 ms 136292 KB Output is correct
54 Correct 1683 ms 136612 KB Output is correct
55 Correct 1534 ms 131500 KB Output is correct
56 Correct 1617 ms 135580 KB Output is correct
57 Correct 1951 ms 138316 KB Output is correct
58 Correct 2220 ms 139208 KB Output is correct
59 Correct 2335 ms 139244 KB Output is correct
60 Correct 2129 ms 139256 KB Output is correct
61 Correct 2325 ms 139372 KB Output is correct
62 Correct 2432 ms 138844 KB Output is correct
63 Correct 2381 ms 138520 KB Output is correct
64 Correct 2290 ms 130992 KB Output is correct
65 Correct 2439 ms 135272 KB Output is correct
66 Correct 856 ms 71796 KB Output is correct
67 Correct 1069 ms 131868 KB Output is correct
68 Correct 1309 ms 135372 KB Output is correct
69 Correct 1205 ms 134260 KB Output is correct
70 Correct 1664 ms 137776 KB Output is correct
71 Correct 1658 ms 139172 KB Output is correct
72 Correct 1681 ms 139964 KB Output is correct
73 Correct 1682 ms 140324 KB Output is correct
74 Correct 766 ms 53992 KB Output is correct
75 Correct 817 ms 74776 KB Output is correct
76 Correct 2617 ms 258220 KB Output is correct
77 Correct 2534 ms 252156 KB Output is correct
78 Correct 2704 ms 254196 KB Output is correct
79 Correct 1783 ms 140892 KB Output is correct
80 Correct 3227 ms 256048 KB Output is correct
81 Correct 1697 ms 139916 KB Output is correct
82 Correct 3747 ms 256040 KB Output is correct
83 Correct 2286 ms 150592 KB Output is correct
84 Correct 3938 ms 264936 KB Output is correct
85 Correct 2426 ms 150792 KB Output is correct
86 Execution timed out 4097 ms 254932 KB Time limit exceeded
87 Halted 0 ms 0 KB -