AirPolution

function pollution(input, forces) {
    let map = [];
    for (let i = 0; i < input.length; i++) {
        map.push(input[i].split(' ').map(Number));
    }

    function setBreeze(map, index) {
        for (let i = 0; i < map.length; i++) {
            map[index][i] -= 15;
            if (map[index][i] < 0) {
                map[index][i] = 0;
            }
        }
    }

    function setGale(map, index) {
        for (let i = 0; i < map.length; i++) {
            map[i][index] -= 20;
            if (map[i][index] < 0) {
                map[i][index] = 0;
            }
        }
    }

    function setSmog(map, index) {
        for (let i = 0; i < map.length; i++) {
            for (let j = 0; j < map[i].length; j++) {
                map[i][j] += index;
            }
        }
    }

    for (let i = 0; i < forces.length; i++) {
        let tokens = forces[i].split(' ');
        let currentForce = tokens[0];
        let index = Number(tokens[1]);

        switch (currentForce) {
            case 'breeze':
                setBreeze(map, index);
                break;
            case 'gale':
                setGale(map, index);
                break;
            case 'smog':
                setSmog(map, index);
                break;
        }

    }

    if (map.some(x => x.some(y => y >= 50))) {
        let polluted = [];
        for (let i = 0; i < map.length; i++) {
            for (let j = 0; j < map[i].length; j++) {
                if (map[i][j] >= 50) {
                    polluted.push(`[${i}-${j}]`);
                }
            }
        }
        console.log(`Polluted areas: ${polluted.join(', ')}`);

    }
    else    {
        console.log('No polluted areas');
    }

}