Submission #988827

#	Time	Username	Problem	Language	Result	Execution time	Memory
988827		Otalp	Alice, Bob, and Circuit (APIO23_abc)	C++17	12 / 100	90 ms	10156 KiB

abc

#include "abc.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define ll long long
#define pii pair<int, int>
#define ff first
#define ss second


const int OP_ZERO    = 0;  // f(OP_ZERO,    x0, x1) = 0
const int OP_NOR     = 1;  // f(OP_NOR,     x0, x1) = !(x0 || x1)
const int OP_GREATER = 2;  // f(OP_GREATER, x0, x1) = (x0 > x1)
const int OP_NOT_X1  = 3;  // f(OP_NOT_X1,  x0, x1) = !x1
const int OP_LESS    = 4;  // f(OP_LESS,    x0, x1) = (x0 < x1)
const int OP_NOT_X0  = 5;  // f(OP_NOT_X0,  x0, x1) = !x0
const int OP_XOR     = 6;  // f(OP_XOR,     x0, x1) = (x0 ^ x1)
const int OP_NAND    = 7;  // f(OP_NAND,    x0, x1) = !(x0 && x1)
const int OP_AND     = 8;  // f(OP_AND,     x0, x1) = (x0 && x1)
const int OP_EQUAL   = 9;  // f(OP_EQUAL,   x0, x1) = (x0 == x1)
const int OP_X0      = 10; // f(OP_X0,      x0, x1) = x0
const int OP_GEQ     = 11; // f(OP_GEQ,     x0, x1) = (x0 >= x1)
const int OP_X1      = 12; // f(OP_X1,      x0, x1) = x1
const int OP_LEQ     = 13; // f(OP_LEQ,     x0, x1) = (x0 <= x1)
const int OP_OR      = 14; // f(OP_OR,      x0, x1) = (x0 || x1)
const int OP_ONE     = 15; // f(OP_ONE,     x0, x1) = 1







// Alice
int // returns la
alice(
    /*  in */ const int n,
    /*  in */ const char names[][5],
    /*  in */ const unsigned short numbers[],
    /* out */ bool outputs_alice[]
) {
    ll num = numbers[0];
    int l = 0;
    for(int k=0; k<=10; k++){
        for(int i=0; i<16; i++){
            outputs_alice[l] = bool((num & (1 << i)));
            l++;
        }
        num += num;
        num %= (1 << 16);
    } 
    return l;
}













// Bob
int // returns lb
bob(
    /*  in */ const int m,
    /*  in */ const char senders[][5],
    /*  in */ const char recipients[][5],
    /* out */ bool outputs_bob[]
) {
    int l = 0;
    for(int i=0; i<16; i++){
        outputs_bob[l] = bool((m & (1 << i)));
        l++;
    }
    return l;
}





vector<int> ro;
vector<pii> rp;


int add(int l, int cad, int a, int b){
    ro.pb(OP_XOR);
    ro.pb(OP_AND);
    rp.pb({cad, a});
    rp.pb({cad, a});
    ro.pb(OP_AND);
    rp.pb({b, l+1});
    ro.pb(OP_XOR);
    rp.pb({b, l+1});
    ro.pb(OP_OR);
    rp.pb({l+3, l+2});
    return l + 5;
}

int sum(int l, int a, int b){
    ro.pb(OP_ZERO);
    rp.pb({0, 0});
    vector<int> res;
    l++;
    for(int i=0; i<16; i++){
        l = add(l, l, a + i, b + i);
        res.pb(l - 1);
    }
    for(int i=0; i<16; i++){
        ro.pb(OP_X1);
        rp.pb({0, res[i]});
        l++;
    }
    return l;
}









// Circuit
int // returns l
circuit(
    /*  in */ const int la,
    /*  in */ const int lb,
    /* out */ int operations[],
    /* out */ int operands[][2],
    /* out */ int outputs_circuit[][16]
) {
    int l = la + lb - 1;
    ro.clear();
    rp.clear();
    int ls = la + lb;
    for(int i=0; i<16; i++){
        ro.pb(OP_AND);
        rp.pb({i, la});
        l++;
    }
    for(int i=1; i<=10; i++){
        int s = l + 1;
        for(int j=0; j<16; j++){
            ro.pb(OP_AND);
            rp.pb({i * 16 + j, la + i});
            l++;
        }
        l = sum(l, ls, s);
        ls = l - 15;
    }
    for(int i=0; i<la + lb; i++){
        operations[i] = 0;
        operands[i][0] = -1;
        operands[i][1] = -1;
    }
    for(int i=la + lb; i<=l; i++){
        operations[i] = ro[i - la - lb];
        operands[i][0] = rp[i - la - lb].ff;
        operands[i][1] = rp[i - la - lb].ss;
    }
    for(int i=0; i<16; i++){
        outputs_circuit[0][i] = ls + i;
    }
    return l + 1;
}

• Subtask 1: 4 / 4
• Subtask 2: 4 / 4
• Subtask 3: 4 / 4
• Subtask 4: 0 / 24
• Subtask 5: 0 / 24
• Subtask 6: 0 / 6
• Subtask 7: 0 / 18
• Subtask 8: 0 / 10
• Subtask 9: 0 / 6