Submission #606257

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Source Code Expand

#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>

#define FORR(i,b,e) for(int i=(b);i<(int)(e);++i)
#define FOR(i,e) FORR(i,0,e)
#define ALL(c) begin(c), end(c)
#define dump(var) cerr << #var ": " << var << "\n"
#define dumpc(con) for(auto& e: con) cerr << e << " "; cerr<<"\n"

using namespace std;

int gcd(int m, int n) {
    int t;
    while (m != 0) {
        t = m;
        m = n % m;
        n = t;
    }
    return n;
}

int lcm(int m, int n) {
    return m * n / gcd(m, n);
}

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);

    int a, b, n;
    cin >> a >> b >> n;
    int l = lcm(a, b);
    cout << (int)ceil((double)n / l) * l << endl;
    
    return 0;
}

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