Submission #142542

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
142542	2019-08-09 13:36:12	imeimi2000	Strange Device (APIO19_strange_device)	C++17	100 / 100	618 ms	12920 KiB

strange_device

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#include <iostream>
#include <algorithm>
#include <vector>
#include <set>
#include <cstdlib>
 
using namespace std;
typedef long long llong;
typedef pair<llong, llong> pll;
 
const llong inf = 1e18 + 1;
llong mul(llong x, llong y) {
    llong r = 0;
    while (y) {
        if (x > inf) return inf;
        if (y & 1) r += x;
        if (r > inf) return inf;
        x += x;
        y >>= 1;
    }
    return r;
}
 
llong gcd(llong x, llong y) {
    for (; y; swap(x, y)) x %= y;
    return x;
}
 
set<pll> sp;
void add(llong s, llong e, llong M) {
 
 
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• Subtask 8: 30 / 30