oj.uz

Submission #949804

# Submission time Handle Problem Language Result Execution time Memory
949804 2024-03-19T18:06:10 Z Baizho Boat (APIO16_boat) C++14
31 / 100
 205 ms 238648 KB 
#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
  
#define ordered_set tree<int, null_type,less_equal<int>, rb_tree_tag,tree_order_statistics_node_update>
 
// #pragma GCC optimize("Ofast,unroll-loops,fast-math")
// #pragma GCC target("popcnt,avx")
 
 
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll,ll> pll;
 
#define sz size()
#define ff first
#define ss second
#define all(a) a.begin(),a.end()
#define pb push_back
 
const int mod = ll(1e9)+7; //(b + (a%b)) % b (to mod -1%(10^9+7) correctly in c++ its -1 but its suppose to be 10^9+6
const ll MOD = 998244353;  // (a%mod)*(binpow(b,mod-2,mod) = (a/b)%mod
const int N = ll(1e7)+100;
const int M = ll(2e5) + 100;
const long long inf = 5e18;
//const long double eps = 1e-15L;
 
ll lcm(ll a, ll b) { return (a / __gcd(a,b))*b; }
 
ll binpow(ll a, ll b, ll m) { ll res=1; a %= m; while(b>0){ if(b&1)res=(res * a) % m; a=(a * a) % m; b/=2; } return res%m;}
 
void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }

int add(int x) {
    if(x > mod) return x - mod;
    return x;
}

int n, a[505], b[505], t[N], lv[N], rv[N], timer = 1;

void update(int v, int tl, int tr, int l, int r, int sum = 0) {
    if(tl > r || l > tr) return;
    if(tl == tr) {
        t[v] = add(t[v] + sum + 1);
        return;
    }
    int tm = (tl + tr) / 2;
    if(!lv[v]) lv[v] = ++ timer;
    if(!rv[v]) rv[v] = ++ timer;
    update(rv[v], tm + 1, tr, l, r, add(sum + t[lv[v]]));
    update(lv[v], tl, tm, l, r, sum);
    t[v] = add(t[lv[v]] + t[rv[v]]); 
}
 
void Baizho() {
    cin>>n;
    for(int i = 1; i <= n; i ++) {
        cin>>a[i]>>b[i];
        update(1, 1, 1e9, a[i], b[i]);
    }
    cout<<t[1]<<"\n";
}
 
signed main() {     
//  Freopen("nondec");
    ios_base::sync_with_stdio(false);   
    cin.tie(0);cout.tie(0); 
    // precalc();
    
    int ttt = 1;
   // cin>>ttt;
 
    for(int i=1; i<=ttt; i++) {Baizho(); }
}

Compilation message

boat.cpp: In function 'void Freopen(std::string)':
boat.cpp:35:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 | void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }
      |                           ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
boat.cpp:35:76: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 | void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }
      |                                                                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 728 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 600 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct

Subtask #2
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 728 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 600 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 7 ms 604 KB Output is correct
22 Correct 7 ms 604 KB Output is correct
23 Correct 7 ms 464 KB Output is correct
24 Correct 7 ms 612 KB Output is correct
25 Correct 7 ms 604 KB Output is correct
26 Correct 7 ms 344 KB Output is correct
27 Correct 8 ms 348 KB Output is correct
28 Correct 8 ms 348 KB Output is correct
29 Correct 8 ms 348 KB Output is correct
30 Correct 19 ms 23592 KB Output is correct
31 Correct 18 ms 23128 KB Output is correct
32 Correct 19 ms 23644 KB Output is correct
33 Correct 19 ms 22876 KB Output is correct
34 Correct 18 ms 23292 KB Output is correct
35 Correct 18 ms 22104 KB Output is correct
36 Correct 18 ms 22876 KB Output is correct
37 Correct 19 ms 23132 KB Output is correct
38 Correct 18 ms 22476 KB Output is correct

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Runtime error 205 ms 238648 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 42.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 1 ms 728 KB Output is correct
3 Correct 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 600 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 600 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 7 ms 604 KB Output is correct
22 Correct 7 ms 604 KB Output is correct
23 Correct 7 ms 464 KB Output is correct
24 Correct 7 ms 612 KB Output is correct
25 Correct 7 ms 604 KB Output is correct
26 Correct 7 ms 344 KB Output is correct
27 Correct 8 ms 348 KB Output is correct
28 Correct 8 ms 348 KB Output is correct
29 Correct 8 ms 348 KB Output is correct
30 Correct 19 ms 23592 KB Output is correct
31 Correct 18 ms 23128 KB Output is correct
32 Correct 19 ms 23644 KB Output is correct
33 Correct 19 ms 22876 KB Output is correct
34 Correct 18 ms 23292 KB Output is correct
35 Correct 18 ms 22104 KB Output is correct
36 Correct 18 ms 22876 KB Output is correct
37 Correct 19 ms 23132 KB Output is correct
38 Correct 18 ms 22476 KB Output is correct
39 Runtime error 205 ms 238648 KB Execution killed with signal 11
40 Halted 0 ms 0 KB -