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Submission #1046529

# Submission time Handle Problem Language Result Execution time Memory
1046529 2024-08-06T16:14:50 Z MrPavlito Sterilizing Spray (JOI15_sterilizing) C++17
80 / 100
 5000 ms 7000 KB 
#include <bits/stdc++.h>
#define int long long
#define pb push_back
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define fi first
#define sc second
#define endl "\n"
#define pii pair<int,int>

using namespace std;

const int MAXN = 1e5+5;
const int mod7 = 1e9+7;
const long long inf = 1e18;
int n,q,k;

vector<int> seg(MAXN<<2);
vector<int> niz(MAXN);

void build(int nod, int l, int r)
{
    if(l==r)
    {
        seg[nod] = niz[l];
        return;
    }
    int mid = l+r >> 1;
    build(nod<<1, l, mid);
    build(nod<<1|1, mid+1, r);
    seg[nod] = seg[nod<<1] + seg[nod<<1|1];
}

void updatesingle(int nod, int l, int r,int index, int v)
{
    if(l == r)
    {
        seg[nod] = v;
        niz[index] = v;
        return;
    }
    int mid = l+r >> 1;
    if(index<=mid)updatesingle(nod<<1, l, mid, index, v);
    else updatesingle(nod<<1|1, mid+1, r, index, v);
    seg[nod] = seg[nod<<1] + seg[nod<<1|1];
}

void updaterange(int nod, int tl, int tr, int l, int r)
{
    if(tl> r || tr< l || tl>tr || seg[nod]==0)return;
    int mid = tl+tr>>1;
    if(tl>=l && tr<=r)
    {
        if(tl == tr)
        {
            seg[nod] /= k;
        }
        else if(seg[nod] > 0)
        {
            updaterange(nod<<1, tl, mid, l, r);
            updaterange(nod<<1|1, mid+1, tr, l, r);
            seg[nod] = seg[nod<<1] + seg[nod<<1|1];
        }
        return;
    }
    updaterange(nod<<1, tl, mid, l, r);
    updaterange(nod<<1|1, mid+1, tr, l, r);
    seg[nod] = seg[nod<<1] + seg[nod<<1|1];
}

int query(int nod, int tl, int tr, int l, int r)
{
    if(tl> r || tr< l || tl>tr || seg[nod]==0)return 0;
    if(tl>=l && tr<=r)return seg[nod];
    int mid = tl+tr >> 1;
    return query(nod<<1, tl, mid, l, r) + query(nod<<1|1, mid+1, tr, l, r);
}

signed main()
{
    ios_base::sync_with_stdio(false),cin.tie(0), cout.tie(0);
    int tt=1;
    //cin >> tt;
    while(tt--)
    {

        cin >> n >> q >> k;
        for(int i=1; i<=n; i++)cin >> niz[i];
        build(1,1,n);
        while(q--)
        {
            int a,b,c;
            cin >> a >> b >> c;
            if(a==1)updatesingle(1,1,n,b,c);
            else if(a==2)updaterange(1,1,n,b,c);
            else cout << query(1,1,n,b,c) << endl;
        }

    }
}

Compilation message

sterilizing.cpp: In function 'void build(long long int, long long int, long long int)':
sterilizing.cpp:28:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   28 |     int mid = l+r >> 1;
      |               ~^~
sterilizing.cpp: In function 'void updatesingle(long long int, long long int, long long int, long long int, long long int)':
sterilizing.cpp:42:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   42 |     int mid = l+r >> 1;
      |               ~^~
sterilizing.cpp: In function 'void updaterange(long long int, long long int, long long int, long long int, long long int)':
sterilizing.cpp:51:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   51 |     int mid = tl+tr>>1;
      |               ~~^~~
sterilizing.cpp: In function 'long long int query(long long int, long long int, long long int, long long int, long long int)':
sterilizing.cpp:75:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   75 |     int mid = tl+tr >> 1;
      |               ~~^~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4188 KB Output is correct
2 Correct 2 ms 4396 KB Output is correct
3 Correct 2 ms 4392 KB Output is correct
4 Correct 3 ms 4328 KB Output is correct
5 Correct 3 ms 4452 KB Output is correct
6 Correct 3 ms 4444 KB Output is correct
7 Correct 3 ms 4400 KB Output is correct
8 Correct 3 ms 4440 KB Output is correct
9 Correct 3 ms 4444 KB Output is correct
10 Correct 3 ms 4444 KB Output is correct
11 Correct 3 ms 4456 KB Output is correct
12 Correct 3 ms 4460 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2764 ms 6736 KB Output is correct
2 Correct 1672 ms 6224 KB Output is correct
3 Correct 2795 ms 6144 KB Output is correct
4 Correct 4312 ms 6736 KB Output is correct
5 Execution timed out 5033 ms 6992 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 4700 KB Output is correct
2 Correct 6 ms 4500 KB Output is correct
3 Correct 10 ms 4656 KB Output is correct
4 Correct 21 ms 5644 KB Output is correct
5 Correct 26 ms 5724 KB Output is correct
6 Correct 26 ms 5712 KB Output is correct
7 Execution timed out 5043 ms 5512 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 5972 KB Output is correct
2 Correct 49 ms 6224 KB Output is correct
3 Correct 57 ms 5460 KB Output is correct
4 Correct 59 ms 6224 KB Output is correct
5 Correct 66 ms 6880 KB Output is correct
6 Correct 75 ms 6944 KB Output is correct
7 Correct 71 ms 6996 KB Output is correct
8 Correct 90 ms 6908 KB Output is correct
9 Correct 77 ms 6740 KB Output is correct
10 Correct 89 ms 6992 KB Output is correct
11 Correct 67 ms 6796 KB Output is correct
12 Correct 120 ms 7000 KB Output is correct