Submission #64738

#	Time	Username	Problem	Language	Result	Execution time	Memory
64738		bazsi700	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++14	0 / 100	2521 ms	79440 KiB

encoder

#include <bits/stdc++.h>

using namespace std;
#define ll long long

string tobase(int a, int base) {
    string str = "";
    while(a > 0) {
       // cout << a << " " << str << endl;
        char ch = a%base;
        str+= ch+'0';
        a/=base;
    }
    reverse(str.begin(),str.end());
    return str;
}

int encode(int n, int x, int y) {
    string sx = tobase(x,2);
    string sy = tobase(y,2);
    while(sx.length() < 10) {
        sx = '0'+sx;
    }
    while(sy.length() < 10) {
        sy = '0'+sy;
    }
    for(int i = 0; i < 10; i++) {
        if(sx.at(i) != sy.at(i)) {
            return (2*i)+sx.at(i)-'0'+1;
        }
    }
    return 0;
}

bool decode(int n, int q, int h) {
    h--;
    string sx = tobase(q,2);
    while(sx.length() < 10) {
        sx = '0'+sx;
    }
    if(sx.at(h/2)-'0' ==h%2) {
        return true;
    } else {
        return false;
    }
}
/*
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
   // cout << tobase(920,3) << endl;
    int ty;
    cin >> ty;
    int n,T;
    cin >> n >> T;
    cout << ty << " " << n << " " << T << "\n";
    int mx = 0;
    if(ty == 1) {
        while(T--) {
            int x,y;
            cin >> x >> y;
            string sx = tobase(x,2);
            string sy = tobase(y,2);
            cout << sx << " " << sy << "\n";
            while(sx.length() < 10) {
                sx = '0'+sx;
            }
            while(sy.length() < 10) {
                sy = '0'+sy;
            }
            for(int i = 0; i < 10; i++) {
                if(sx.at(i) != sy.at(i)) {
                    cout << (2*i)+sx.at(i)-'0'+1 << "\n";
                    mx = max(mx,(2*i)+sx.at(i)-'0'+1);
                    break;
                }
            }
        }
    } else {
        while(T--) {
            int q,h;
            cin >> q >> h;
            mx = max(mx,h);
            h--;
            string sx = tobase(q,2);
            while(sx.length() < 10) {
                sx = '0'+sx;
            }
            if(sx.at(h/2)-'0' ==h%2) {
                cout << "yes\n";
            } else {
                cout << "no\n";
            }
        }
    }
    cout << mx;
    return 0;
}
*/

decoder

#include <bits/stdc++.h>

using namespace std;
#define ll long long

string tobase(int a, int base) {
    string str = "";
    while(a > 0) {
       // cout << a << " " << str << endl;
        char ch = a%base;
        str+= ch+'0';
        a/=base;
    }
    reverse(str.begin(),str.end());
    return str;
}

int encode(int n, int x, int y) {
    string sx = tobase(x,2);
    string sy = tobase(y,2);
    while(sx.length() < 10) {
        sx = '0'+sx;
    }
    while(sy.length() < 10) {
        sy = '0'+sy;
    }
    for(int i = 0; i < 10; i++) {
        if(sx.at(i) != sy.at(i)) {
            return (2*i)+sx.at(i)-'0'+1;
        }
    }
    return 0;
}

bool decode(int n, int q, int h) {
    h--;
    string sx = tobase(q,2);
    while(sx.length() < 10) {
        sx = '0'+sx;
    }
    if(sx.at(h/2)-'0' ==h%2) {
        return true;
    } else {
        return false;
    }
}
/*
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
   // cout << tobase(920,3) << endl;
    int ty;
    cin >> ty;
    int n,T;
    cin >> n >> T;
    cout << ty << " " << n << " " << T << "\n";
    int mx = 0;
    if(ty == 1) {
        while(T--) {
            int x,y;
            cin >> x >> y;
            string sx = tobase(x,2);
            string sy = tobase(y,2);
            cout << sx << " " << sy << "\n";
            while(sx.length() < 10) {
                sx = '0'+sx;
            }
            while(sy.length() < 10) {
                sy = '0'+sy;
            }
            for(int i = 0; i < 10; i++) {
                if(sx.at(i) != sy.at(i)) {
                    cout << (2*i)+sx.at(i)-'0'+1 << "\n";
                    mx = max(mx,(2*i)+sx.at(i)-'0'+1);
                    break;
                }
            }
        }
    } else {
        while(T--) {
            int q,h;
            cin >> q >> h;
            mx = max(mx,h);
            h--;
            string sx = tobase(q,2);
            while(sx.length() < 10) {
                sx = '0'+sx;
            }
            if(sx.at(h/2)-'0' ==h%2) {
                cout << "yes\n";
            } else {
                cout << "no\n";
            }
        }
    }
    cout << mx;
    return 0;
}
*/

• Subtask 1: 0 / 100