oj.uz

Submission #388759

# Submission time Handle Problem Language Result Execution time Memory
388759 2021-04-12T20:27:18 Z osaaateiasavtnl Fish (IOI08_fish) C++14
0 / 100
 503 ms 65540 KB 
#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <queue>
#include <ctime>
#include <cassert>
#include <complex>
#include <string>
#include <cstring>
#include <chrono>
#include <random>
#include <bitset>
#include <fstream>
using namespace std;
#define int long long
#define ii pair <int, int>
#define app push_back
#define all(a) a.begin(), a.end()
#define bp __builtin_popcountll
#define ll long long
#define mp make_pair
#define x first
#define y second
#define Time (double)clock()/CLOCKS_PER_SEC
#define debug(x) std::cerr << #x << ": " << x << '\n';
#define FOR(i, n) for (int i = 0; i < n; ++i)
#define FORN(i, n) for (int i = 1; i <= n; ++i)
#define pb push_back
#define trav(a, x) for (auto& a : x)
using vi = vector<int>;
template <typename T>
std::istream& operator >>(std::istream& input, std::vector<T>& data)
{
    for (T& x : data)
        input >> x;
    return input;
}
template <typename T>
std::ostream& operator <<(std::ostream& output, const pair <T, T> & data)
{
    output << "(" << data.x << "," << data.y << ")";
    return output;
}
template <typename T>
std::ostream& operator <<(std::ostream& output, const std::vector<T>& data)
{
    for (const T& x : data)
        output << x << " ";
    return output;
}
ll div_up(ll a, ll b) { return a/b+((a^b)>0&&a%b); } // divide a by b rounded up
ll div_down(ll a, ll b) { return a/b-((a^b)<0&&a%b); } // divide a by b rounded down 
ll math_mod(ll a, ll b) { return a - b * div_down(a, b); }
#define tcT template<class T
#define tcTU tcT, class U
tcT> using V = vector<T>; 
tcT> void re(V<T>& x) { 
    trav(a, x)
        cin >> a;
}
tcT> bool ckmin(T& a, const T& b) {
    return b < a ? a = b, 1 : 0; 
} // set a = min(a,b)
tcT> bool ckmax(T& a, const T& b) {
    return a < b ? a = b, 1 : 0; 
}
ll gcd(ll a, ll b) {
    while (b) {
        tie(a, b) = mp(b, a % b);
    }
    return a;
}

//need define int long long
namespace Stuff {
int MOD;
int mod(int n) {
    n %= MOD;
    if (n < 0) return n + MOD;
    else return n;
}   
int fp(int a, int p) {
    int ans = 1, c = a;
    for (int i = 0; (1ll << i) <= p; ++i) {
        if ((p >> i) & 1) ans = mod(ans * c);
        c = mod(c * c);
    }   
    return ans;
}   
int dv(int a, int b) { return mod(a * fp(b, MOD - 2)); }
};
struct M {
ll x;
M (int x_) { x = Stuff::mod(x_); }   
M () { x = 0; }
M operator + (M y) {
    int ans = x + y.x;
    if (ans >= Stuff::MOD)
        ans -= Stuff::MOD;
    return M(ans);
}
M operator - (M y) {
    int ans = x - y.x;
    if (ans < 0)
        ans += Stuff::MOD;
    return M(ans);            
}   
M operator * (M y) { return M(x * y.x % Stuff::MOD); }   
M operator / (M y) { return M(x * Stuff::fp(y.x, Stuff::MOD - 2) % Stuff::MOD); }   
M operator + (int y) { return (*this) + M(y); }
M operator - (int y) { return (*this) - M(y); }   
M operator * (int y) { return (*this) * M(y); }   
M operator / (int y) { return (*this) / M(y); }   
M operator ^ (int p) { return M(Stuff::fp(x, p)); }   
void operator += (M y) { *this = *this + y; }   
void operator -= (M y) { *this = *this - y; }   
void operator *= (M y) { *this = *this * y; }
void operator /= (M y) { *this = *this / y; }   
void operator += (int y) { *this = *this + y; }   
void operator -= (int y) { *this = *this - y; }   
void operator *= (int y) { *this = *this * y; }
void operator /= (int y) { *this = *this / y; }   
void operator ^= (int p) { *this = *this ^ p; }
bool operator == (M y) { return x == y.x; }
};  
std::ostream& operator << (std::ostream& o, const M& a)
{
    cout << a.x;
    return o;
}

const int N = 1e6+7;
int n, k;
M tree[N << 2];
void setpoint(int v, int l, int r, int i, int x) {
    if (l == r) {
        tree[v] = x;
        return;
    }
    int m = (l + r) / 2;
    if (i <= m)
        setpoint(v * 2 + 1, l, m, i, x);
    else
        setpoint(v * 2 + 2, m + 1, r, i, x);
    tree[v] = tree[v * 2 + 1] * tree[v * 2 + 2];
}
void setpoint(int i, int x) {
    setpoint(0, 1, k, i, x);
}

signed main() {
    #ifdef LOCAL
    #else
    #define endl '\n'
    ios_base::sync_with_stdio(0); cin.tie(0);
    #endif
    cin >> n >> k >> Stuff::MOD;

    FOR (i, (N << 2)) {
        tree[i] = M(1);    
    }

    const int INF = 1e18;
    vi r(k + 1, -INF);
    V <vi> sc;
    FOR (i, n) {
        int sz, c;
        cin >> sz >> c;
        sc.app({2 * sz, 0, c});
        ckmax(r[c], sz);
    }
    FORN (i, k) {
        sc.app({r[i], 1, i});
    }
    sort(all(sc));
    vi used(k + 1);
    M ans = 0;
    vi cur(k + 1);
    trav (e, sc) {
        int col = e[2];
        if (e[1] == 0) {
            cur[col]++;
            if (used[col]) {
                setpoint(col, cur[col] + 1);
            }
        }
        else {
            used[col] = 1;
            setpoint(col, cur[col] + 1);
            ans += tree[0];
        }
    }
    cout << ans << endl;
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 22 ms 31568 KB Output isn't correct

Subtask #2
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 21 ms 31548 KB Output isn't correct

Subtask #3
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 22 ms 31540 KB Output isn't correct

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 21 ms 31564 KB Output isn't correct

Subtask #5
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 31640 KB Output is correct
2 Incorrect 21 ms 31568 KB Output isn't correct

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 31692 KB Output is correct
2 Incorrect 422 ms 65060 KB Output isn't correct

Subtask #7
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 23 ms 31692 KB Output isn't correct

Subtask #8
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 23 ms 31784 KB Output isn't correct

Subtask #9
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 146 ms 45060 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 31940 KB Output is correct
2 Correct 29 ms 32176 KB Output is correct
3 Incorrect 24 ms 32076 KB Output isn't correct

Subtask #11
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 262 ms 55800 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #12
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 454 ms 65364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #13
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 273 ms 56164 KB Output is correct
2 Incorrect 474 ms 65536 KB Output isn't correct

Subtask #14
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 489 ms 63508 KB Output isn't correct

Subtask #15
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 503 ms 65536 KB Output isn't correct

Subtask #16
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 445 ms 63540 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #17
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 182 ms 65540 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #18
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 155 ms 65540 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #19
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 194 ms 65540 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -