Submission #473948

#	Time	Username	Problem	Language	Result	Execution time	Memory
473948		BidoTeima	Euklid (COCI20_euklid)	C++17	0 / 110	34 ms	63124 KiB

euklid

/// isA AC
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
void ACPLS()
{
#ifndef ONLINE_JUDGE
    freopen("output.txt", "w", stdout);
    freopen("input.txt", "r", stdin);
#endif
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
}
#define tc         \
    int tttttt,subtask;    \
    cin >> tttttt /*>> subtask*/; \
    while (tttttt--)
#define sumrange(l, r, arr) (l == 0 ? arr[r] : arr[r] - arr[l - 1])
#define all(v) v.begin(), v.end()
ll GCDAC(ll a, ll b)
{
    if(b==0)
        return a;
 
    return GCDAC(b, a%b);
}
ll gcd(ll a, ll b)
{
    if(a<b)swap(a,b);
    return GCDAC(a, b);
}
int dp[(int)4005][(int)4005];
int R(int a, int b){
    if(dp[a][b]!=-1)
        return dp[a][b];
    if(a<b)
        return dp[a][b]=R(b,a);
    if(a>=b&&b>1)
        return dp[a][b]=R(a/b,b);
    return dp[a][b]=a;
}
int main()
{
    ACPLS();
    memset(dp,-1,sizeof(dp));
tc{
    int g,h;
    cin>>g>>h;
    for(int a = 1; a <= g*10; a++){
        bool flag=0;
        for(int b = 1; b <= g*10; b++){
            if(gcd(a,b)==g&&R(a,b)==h){
                cout<<a<<' '<<b<<'\n';
                flag=1;
                break;
            }
        }
        if(flag)break;
    }
}
}

Compilation message (stderr)

euklid.cpp: In function 'int main()':
euklid.cpp:16:16: warning: unused variable 'subtask' [-Wunused-variable]
   16 |     int tttttt,subtask;    \
      |                ^~~~~~~
euklid.cpp:47:1: note: in expansion of macro 'tc'
   47 | tc{
      | ^~
euklid.cpp: In function 'void ACPLS()':
euklid.cpp:8:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |     freopen("output.txt", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
euklid.cpp:9:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |     freopen("input.txt", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 4
• Subtask 2: 0 / 8
• Subtask 3: 0 / 8
• Subtask 4: 0 / 15
• Subtask 5: 0 / 40
• Subtask 6: 0 / 35