oj.uz

Submission #1039960

# Submission time Handle Problem Language Result Execution time Memory
1039960 2024-07-31T13:08:20 Z c2zi6 Horses (IOI15_horses) C++14
54 / 100
 1500 ms 63060 KB 
#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define all(a) (a).begin(), (a).end()
#define replr(i, a, b) for (int i = int(a); i <= int(b); ++i)
#define reprl(i, a, b) for (int i = int(a); i >= int(b); --i)
#define rep(i, n) for (int i = 0; i < int(n); ++i)
#define mkp(a, b) make_pair(a, b)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> PII;
typedef vector<int> VI;
typedef vector<PII> VPI;
typedef vector<VI> VVI;
typedef vector<VVI> VVVI;
typedef vector<VPI> VVPI;
typedef pair<ll, ll> PLL;
typedef vector<ll> VL;
typedef vector<PLL> VPL;
typedef vector<VL> VVL;
typedef vector<VVL> VVVL;
typedef vector<VPL> VVPL;
template<class T> T setmax(T& a, T b) {if (a < b) return a = b; return a;}
template<class T> T setmin(T& a, T b) {if (a < b) return a; return a = b;}
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
template<typename T>
using indset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#include "horses.h"

const ll MOD = 1e9 + 7;

struct SEGTREEPROD {
    int n;
    VL tree;
    SEGTREEPROD(){}
    SEGTREEPROD(int sz) {
        n = 1;
        while (n < sz) n *= 2;
        tree = VL(2*n);
    }
    void upd(int N, int L, int R, int i, int s) {
        if (i < L || i > R) return;
        if (L == R) {
            tree[N] = s;
            return;
        }
        int M = (L + R) / 2;
        upd(2*N+1, L, M, i, s);
        upd(2*N+2, M+1, R, i, s);
        tree[N] = tree[2*N+1] * tree[2*N+2] % MOD;
    }
    int get(int N, int L, int R, int l, int r) {
        if (l <= L && R <= r) return tree[N];
        if (R < l || L > r) return 1;
        int M = (L + R) / 2;
        return 1ll * get(2*N+1, L, M, l, r) * get(2*N+2, M+1, R, l, r) % MOD;
    }
    void upd(int i, int s) {
        upd(0, 0, n-1, i, s);
    }
    int get(int l, int r) {
        return get(0, 0, n-1, l, r);
    }
};
struct SEGTREEMAX {
    int n;
    VL tree;
    SEGTREEMAX(){}
    SEGTREEMAX(int sz) {
        n = 1;
        while (n < sz) n *= 2;
        tree = VL(2*n);
    }
    void upd(int N, int L, int R, int i, int s) {
        if (i < L || i > R) return;
        if (L == R) {
            tree[N] = s;
            return;
        }
        int M = (L + R) / 2;
        upd(2*N+1, L, M, i, s);
        upd(2*N+2, M+1, R, i, s);
        tree[N] = max(tree[2*N+1], tree[2*N+2]);
    }
    int get(int N, int L, int R, int l, int r) {
        if (l <= L && R <= r) return tree[N];
        if (R < l || L > r) return -2e9;
        int M = (L + R) / 2;
        return max(get(2*N+1, L, M, l, r), get(2*N+2, M+1, R, l, r));
    }
    void upd(int i, int s) {
        upd(0, 0, n-1, i, s);
    }
    int get(int l, int r) {
        return get(0, 0, n-1, l, r);
    }
};

int n;
VL a, b;
SEGTREEPROD sega;
SEGTREEMAX segb;
set<int> nonone;

ll recalc() {
    ll leave = n-1;
    ll prod = 1;
    for (auto it = prev(nonone.end()); it != nonone.begin(); it--) {
    }
    reprl(i, n-1, 0) {
        if (b[i] > prod) {
            prod = a[i] * segb.get(i, n-1);//b[i];
            leave = i;
        } else {
            prod = a[i] * prod;
        }
        if (prod > 1e9) break;
    }
	return 1ll * sega.get(0, leave) * segb.get(leave, n-1) % MOD;
	return sega.get(0, leave) * b[leave] % MOD;
}

int init(int N, int X[], int Y[]) {
    n = N;
    a = b = VL(n);
    rep(i, n) {
        a[i] = X[i];
        b[i] = Y[i];
    }
    sega = SEGTREEPROD(n);
    rep(i, n) sega.upd(i, a[i]);
    segb = SEGTREEMAX(n);
    rep(i, n) segb.upd(i, b[i]);
    rep(i, n) if (a[i] != 1) nonone.insert(i);
    return recalc();
}

int updateX(int pos, int val) {	
    if (a[pos] != 1) nonone.erase(pos);
    a[pos] = val;
    if (a[pos] != 1) nonone.insert(pos);
    sega.upd(pos, a[pos]);
	return recalc();
}

int updateY(int pos, int val) {
    b[pos] = val;
    segb.upd(pos, b[pos]);
	return recalc();
}

Compilation message

horses.cpp: In member function 'int SEGTREEPROD::get(int, int, int, int, int)':
horses.cpp:57:44: warning: conversion from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to 'int' may change value [-Wconversion]
   57 |         if (l <= L && R <= r) return tree[N];
      |                                            ^
horses.cpp:60:72: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   60 |         return 1ll * get(2*N+1, L, M, l, r) * get(2*N+2, M+1, R, l, r) % MOD;
      |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
horses.cpp: In member function 'int SEGTREEMAX::get(int, int, int, int, int)':
horses.cpp:90:44: warning: conversion from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to 'int' may change value [-Wconversion]
   90 |         if (l <= L && R <= r) return tree[N];
      |                                            ^
horses.cpp: In function 'll recalc()':
horses.cpp:121:13: warning: conversion from 'll' {aka 'long long int'} to 'double' may change value [-Wconversion]
  121 |         if (prod > 1e9) break;
      |             ^~~~
horses.cpp:123:27: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
  123 |  return 1ll * sega.get(0, leave) * segb.get(leave, n-1) % MOD;
      |                           ^~~~~
horses.cpp:123:45: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
  123 |  return 1ll * sega.get(0, leave) * segb.get(leave, n-1) % MOD;
      |                                             ^~~~~
horses.cpp:124:21: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
  124 |  return sega.get(0, leave) * b[leave] % MOD;
      |                     ^~~~~
horses.cpp: In function 'int init(int, int*, int*)':
horses.cpp:135:31: warning: conversion from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to 'int' may change value [-Wconversion]
  135 |     rep(i, n) sega.upd(i, a[i]);
      |                               ^
horses.cpp:137:31: warning: conversion from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to 'int' may change value [-Wconversion]
  137 |     rep(i, n) segb.upd(i, b[i]);
      |                               ^
horses.cpp:139:18: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
  139 |     return recalc();
      |            ~~~~~~^~
horses.cpp: In function 'int updateX(int, int)':
horses.cpp:146:25: warning: conversion from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to 'int' may change value [-Wconversion]
  146 |     sega.upd(pos, a[pos]);
      |                         ^
horses.cpp:147:15: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
  147 |  return recalc();
      |         ~~~~~~^~
horses.cpp: In function 'int updateY(int, int)':
horses.cpp:152:25: warning: conversion from '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'} to 'int' may change value [-Wconversion]
  152 |     segb.upd(pos, b[pos]);
      |                         ^
horses.cpp:153:15: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
  153 |  return recalc();
      |         ~~~~~~^~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 432 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 604 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 444 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 440 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 408 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 228 ms 56296 KB Output is correct
2 Correct 314 ms 62804 KB Output is correct
3 Correct 284 ms 56168 KB Output is correct
4 Correct 326 ms 58964 KB Output is correct

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 436 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 432 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 436 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 137 ms 31900 KB Output is correct
34 Correct 122 ms 32068 KB Output is correct
35 Correct 215 ms 60496 KB Output is correct
36 Correct 213 ms 60540 KB Output is correct
37 Correct 302 ms 30640 KB Output is correct
38 Correct 157 ms 43164 KB Output is correct
39 Execution timed out 1556 ms 30804 KB Time limit exceeded
40 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 432 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 432 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 540 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 576 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 392 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 2 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 227 ms 55912 KB Output is correct
34 Correct 306 ms 63060 KB Output is correct
35 Correct 271 ms 56020 KB Output is correct
36 Correct 305 ms 59216 KB Output is correct
37 Correct 137 ms 32084 KB Output is correct
38 Correct 120 ms 31904 KB Output is correct
39 Correct 216 ms 60500 KB Output is correct
40 Correct 216 ms 60768 KB Output is correct
41 Correct 302 ms 30800 KB Output is correct
42 Correct 151 ms 43164 KB Output is correct
43 Execution timed out 1574 ms 30624 KB Time limit exceeded
44 Halted 0 ms 0 KB -