Submission by @kivantium

#include <bits/stdc++.h>
using namespace std;
int main() {
    int T;
    cin >> T;
    int x1, y1, t1, x2, y2, t2;
    cin >> x1 >> y1 >> t1 >> x2 >> y2 >> t2;
    const int size = 9;
    int field[size][size];
    for(int y=0; y<size; ++y) {
        for(int x=0; x<size; ++x) {
            cin >> field[y][x];
        }
    }
    int q[4] = {0};
    if(y1-1>0) {
        int nx = x1;
        int ny = y1-1;
        if(field[ny][nx] == 0) q[0] += 5;
        else if(field[ny][nx] == 1) q[0] += 1;
        else q[0] += 10;
        if(abs(nx-x2)+abs(ny-y2)<=2) q[0] -= 12;
        if(y1 > y2) q[0] += 1;
    }
    if(x1+1<size) {
        int nx = x1+1;
        int ny = y1;
        if(field[ny][nx] == 0) q[1] += 5;
        else if(field[ny][nx] == 1) q[1] += 1;
        else q[1] += 10;
        if(abs(nx-x2)+abs(ny-y2)<=2) q[1] -= 12;
        if(x1 < x2) q[1] += 1;
    }
    if(y1+1<size) {
        int nx = x1;
        int ny = y1+1;
        if(field[ny][nx] == 0) q[2] += 5;
        else if(field[ny][nx] == 1) q[2] += 1;
        else q[2] += 10;
        if(abs(nx-x2)+abs(ny-y2)<=2) q[2] -= 12;
        if(y1 < y2) q[2] += 1;
    }
    if(x1-1>0) {
        int nx = x1-1;
        int ny = y1;
        if(field[ny][nx] == 0) q[3] += 5;
        else if(field[ny][nx] == 1) q[3] += 1;
        else q[3] += 10;
        if(abs(nx-x2)+abs(ny-y2)<=2) q[3] -= 12;
        if(x1 > x2) q[3] += 1;
    }
    std::random_device rnd;
    std::mt19937 mt(rnd());
    std::uniform_int_distribution<> rand4(0, 4); 
    q[rand4(mt)] += 2;

    // if attack is meaningful, attack
    if(abs(x1-x2)+abs(y1-y2) <= 2 && t2 == 0) {
        cout << 5 << endl;
    } else {
        int m = max(q[0], max(q[1], max(q[2], q[3])));
        if(q[0] == m) cout << 1 << endl;
        else if(q[1] == m) cout << 2 << endl;
        else if(q[2] == m) cout << 3 << endl;
        else cout << 4 << endl;
    }
}

Battle History