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#include<fstream>
#include<iostream>
#include<vector>
#include <chrono>
using namespace std;
int run(vector<int> prog, int noun, int verb, int pointer, int op) {
vector<int> mem(prog);
mem[1] = noun;
mem[2] = verb;
// calculate
pointer = 0;
do {
//cout << "Pointer: " << pointer << endl;
//cout << "Memory: " << endl;
//dump(mem);
op = mem[pointer];
switch (op) {
case 1:
mem[mem[pointer+3]] = mem[mem[pointer+1]] + mem[mem[pointer+2]];
pointer += 4;
break;
case 2:
mem[mem[pointer+3]] = mem[mem[pointer+1]] * mem[mem[pointer+2]];
pointer += 4;
break;
}
} while (mem[pointer] != 99);
return mem[0];
}
int main() {
ifstream inFile;
inFile.open("02.in");
vector<int> program;
int noun, verb;
int pointer;
int op;
// read program
int n;
while (inFile >> n) program.push_back(n);
//cout << "Program: " << endl;
//dump(program);
int res;
auto t1 = chrono::high_resolution_clock::now();
for (int n = 0; n < 100; n++) {
for (int v = 0; v < 100; v++) {
res = run(program, n, v, pointer, op);
//cout << n << " " << v << " " << res << endl;
if (res == 19690720) {
cout << n << " " << v << endl;
auto t2 = chrono::high_resolution_clock::now();
auto duration = chrono::duration_cast<std::chrono::microseconds>( t2 - t1 ).count();
cout << duration << endl;
return 0;
}
}
}
return 1;
}
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