oj.uz

Submission #694934

# Submission time Handle Problem Language Result Execution time Memory
694934 2023-02-04T13:45:28 Z Do_you_copy Sterilizing Spray (JOI15_sterilizing) C++17
0 / 100
 5000 ms 7260 KB 
#include <bits/stdc++.h>
#define fi first
#define se second
#define faster ios_base::sync_with_stdio(0); cin.tie(0);
#define pb push_back

using namespace std;
using ll = long long;
using pii = pair <int, int>;
mt19937_64 Rand(chrono::steady_clock::now().time_since_epoch().count());
const int maxN = 1e5 +1;
const int inf = 0x3f3f3f3f;
//const int Mod =
int n, q, k;
ll bit[maxN];
map <int, int> mp;

void update(int x, int v){
    for (; x <= n; x += x & -x){
        bit[x] += v;
    }
}

int get(int x){
    int res = 0;
    for (; x; x -= x & -x){
        res += bit[x];
    }
    return res;
}


void Init(){
    cin >> n >> q >> k;
    for (int i = 1; i <= n; ++i){
        cin >> mp[i];
        update(i, mp[i]);
    }
    mp[n + 1] = 0;
    while (q--){
        int s, t, u;
        cin >> s >> t >> u;
        if (s == 1){
            update(t, u - mp[t]);
            mp[t] = u;
        }
        if (s == 2){
            for (auto it = mp.lower_bound(t); it->fi <= u;){
                auto it1 = it++;
                int x = it1->se;
                it1->se /= k;
                update(it1->fi, it1->se - x);
                if (it1->se == 0){
                    mp.erase(it1);
                }
            }
        }
        if (s == 3){
            cout << get(u) - get(t - 1) << "\n";
        }
    }
}

#define taskname "test"
signed main(){
    faster
    if (fopen(taskname ".inp", "r")){
        freopen(taskname ".inp", "r", stdin);
        freopen(taskname ".out", "w", stdout);
    }
    int tt = 1;
    //cin >> tt;
    while (tt--){
        Init();
    }
}

Compilation message

sterilizing.cpp: In function 'int main()':
sterilizing.cpp:68:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   68 |         freopen(taskname ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sterilizing.cpp:69:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |         freopen(taskname ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5021 ms 5112 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 1108 KB Output is correct
2 Correct 26 ms 3056 KB Output is correct
3 Correct 22 ms 3168 KB Output is correct
4 Correct 36 ms 2836 KB Output is correct
5 Correct 65 ms 7260 KB Output is correct
6 Correct 69 ms 7180 KB Output is correct
7 Execution timed out 5040 ms 6724 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Incorrect 57 ms 4812 KB Output isn't correct
2 Halted 0 ms 0 KB -