Submission #3430370


Source Code Expand

//include
//------------------------------------------
#include <vector>
#include <list>
#include <map>
#include <climits>
#include <set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>
#include <queue>
#include <random>
#include <cctype>
#include <complex>
#include <regex>

using namespace std;

#define C_MAX(a, b) ((a)>(b)?(a):(b))
#define SHOW_VECTOR(v) {std::cerr << #v << "\t:";for(const auto& xxx : v){std::cerr << xxx << " ";}std::cerr << "\n";}
#define SHOW_MAP(v) {std::cerr << #v << endl; for(const auto& xxx: v){std::cerr << xxx.first << " " << xxx.second << "\n";}}

int main() {

    long long N, H;
    cin >> N >> H;

    vector<long long> a(N), b(N);
    for (int i = 0; i < N; i++) cin >> a[i] >> b[i];

    long long maxA = *max_element(a.begin(), a.end());

    priority_queue<long long> Q;
    for (int i = 0; i < N; i++) if (b[i] > maxA) Q.push(b[i]);

    int ans = 0;
    while (!Q.empty()) {
        long long d = Q.top();
        Q.pop();
        if (H <= 0) break;
        H -= d;
        ans++;
    }

    ans += max(0LL, H) / maxA;
    if (max(0LL, H) % maxA) ans++;

    cout << ans << endl;

    return 0;
}


























Submission Info

Submission Time
Task D - Katana Thrower
User ganyariya
Language C++14 (GCC 5.4.1)
Score 400
Code Size 1526 Byte
Status AC
Exec Time 86 ms
Memory 2936 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 4
AC × 24
Set Name Test Cases
Sample a01, a02, a03, a04
All a01, a02, a03, a04, b05, b06, b07, b08, b09, b10, b11, b12, b13, b14, b15, b16, b17, b18, b19, b20, b21, b22, b23, b24
Case Name Status Exec Time Memory
a01 AC 1 ms 256 KB
a02 AC 1 ms 256 KB
a03 AC 1 ms 256 KB
a04 AC 1 ms 256 KB
b05 AC 1 ms 256 KB
b06 AC 86 ms 1792 KB
b07 AC 1 ms 256 KB
b08 AC 86 ms 1792 KB
b09 AC 1 ms 256 KB
b10 AC 1 ms 256 KB
b11 AC 1 ms 256 KB
b12 AC 1 ms 256 KB
b13 AC 36 ms 2936 KB
b14 AC 35 ms 2936 KB
b15 AC 32 ms 1792 KB
b16 AC 33 ms 1792 KB
b17 AC 49 ms 1792 KB
b18 AC 44 ms 1792 KB
b19 AC 45 ms 2936 KB
b20 AC 47 ms 2936 KB
b21 AC 56 ms 2936 KB
b22 AC 61 ms 2936 KB
b23 AC 1 ms 256 KB
b24 AC 2 ms 256 KB