Submission #157249

# Submission time Handle Problem Language Result Execution time Memory
157249 2019-10-10T08:27:37 Z dandrozavr Bootfall (IZhO17_bootfall) C++14
0 / 100
4 ms 376 KB
/*
Uruchamiamy samolot zwiadowczy ( + 500% do wzlamaniej )

/▄/  /█/  /◐/   /▐/   /▌/ /▀/ /░/ /🔥/   choose  own style!

***IT'S OUR LONG WAY TO THE OIILLLL***

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*/


//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4")
//#pragma comment(linker, "/stack:200000000")

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



#define pb push_back
#define ll long long
#define ld long double
#define fi first
#define se second
#define eb emplace_back
#define pii pair < int , int >
#define pipii pair< int, pair < int , int > >
#define TIME clock() * 1.0 / CLOCKS_PER_SEC
mt19937 gen(chrono::high_resolution_clock::now().time_since_epoch().count());

//#include <ext/pb_ds/detail/standard_policies.hpp>'
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;template <typename T> using ordered_set = tree <T, null_type, less< T >, rb_tree_tag,tree_order_statistics_node_update>;
namespace fastio {template <class T> ostream &operator<<(ostream &os, const vector<T> &container){for (auto &u : container)os << u << " ";return os;}template<class T1, class T2> ostream& operator << (ostream& os, const pair<T1, T2>& p) { return os << p.first << " " << p.second; }template <class T> ostream &operator<<(ostream &os, set<T> const& con) { for (auto &u : con) os << u << " "; return os; }void pr() {}template <typename T, typename... args> void pr(T x, args... tail) { cout << x << " "; pr(tail...);}}using namespace fastio;

const int N = 1e5 + 5;
const int MA = 1e6 + 1;

const int X[4] = {0, 0, 1, -1};
const int Y[4] = {-1, 1, 0, 0};

int t[MA * 4], add[MA * 4];

void push(int v, int tl, int tr)
{
    t[v] += add[v];
    if (tl != tr)
    {
        add[v << 1] += add[v];
        add[v << 1 | 1] += add[v];
    }
    add[v] = 0;
}

void ad(int v, int tl, int tr, int l, int r, int val)
{
    if (add[v])
        push(v, tl, tr);
    if (l > r)
        return;
    if (tl == l && tr == r)
    {
        add[v] += val;
        push(v, tl, tr);
        return;
    }
    int tm = (tl + tr) >> 1;
    ad(v << 1, tl, tm, l, min(tm, r), val);
    ad(v << 1 | 1, tm + 1, tr, max(tm + 1, l), r, val);
}

int solve(int v, int tl, int tr, int pos)
{
    if (add[v])
        push(v, tl, tr);
    if (tl == tr)
        return t[v];
    int tm =(tl + tr) >> 1;
    if (pos <= tm)
        return solve(v << 1, tl, tm, pos);
        return solve(v << 1 | 1, tm + 1, tr, pos);
}

int main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    #ifdef Estb_probitie
        freopen("input.txt","r",stdin);
        freopen("output.txt","w",stdout);
    #else
        freopen("game.in","r",stdin);
        freopen("game.out","w",stdout);
    #endif

    int n, m;
    cin >> n >> m;
    int a[n];

    for (int i = 0; i < n; ++i)
        cin >> a[i];

    for (int i = 1; i < n; ++i)
        ad(1, 1, 1e6, min(a[i], a[i - 1]), max(a[i - 1], a[i]), 1);

    for (int i = 0; i < m; ++i)
    {
        int ty;
        cin >> ty;
        if (ty == 1)
        {
            int pos, val;
            cin >> pos >> val;
            --pos;
            for (int i = -1; i <= 1; i += 2)
            {
                if (pos)
                  ad(1, 1, 1e6, min(a[pos - 1], a[pos]), max(a[pos - 1], a[pos]), i);
                if (pos + 1 < n)
                  ad(1, 1, 1e6, min(a[pos], a[pos + 1]), max(a[pos], a[pos + 1]), i);
                a[pos] = val;
            }
        } else
        {
            int h;
            cin >> h;
            cout << solve(1, 1, 1e6, h)  << '\n';
        }
    }

}

Compilation message

bootfall.cpp: In function 'int solve(int, int, int, int)':
bootfall.cpp:96:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     if (pos <= tm)
     ^~
bootfall.cpp:98:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
         return solve(v << 1 | 1, tm + 1, tr, pos);
         ^~~~~~
bootfall.cpp: In function 'int main()':
bootfall.cpp:108:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen("game.in","r",stdin);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
bootfall.cpp:109:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen("game.out","w",stdout);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -