CF1608C. Game Master —— 思维 字节Camp online test

CF1608C. Game Master —— 思维 字节Camp online test

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题意

之后有空补 先贴上代码

思路 

// Decline is inevitable,
// Romance will last forever.
#include 
using namespace std;
#define RE0 return 0
#define mp make_pair
#define pii pair
#define pb push_back
#define fi first
#define se second
#define ll long long
#define LL long long
//#define int long long
#define endl 'n'
#define ld long double
#define For(i,j,k) for (int i=(int)(j);i<=(int)(k);i++)
#define Rep(i,j,k) for (int i=(int)(j);i>=(int)(k);i--)

const int maxn = 1e5 + 10;
const int INF = 0x3f3f3f3f;
const int dx[] = {0, 0, -1, 1}; //{0, 0, 1, 1, 1,-1,-1,-1}
const int dy[] = {1, -1, 0, 0}; //{1,-1, 1, 0,-1, 1, 0,-1}
const int P = 998244353;    //998244353
int n;
struct node {
    int a, b, id;
    //bool operator < (const node &x) const {
      //  return a < x.a;
    //}
}p[maxn];
bool cmp(node x, node y) {
    return x.a < y.a;
}
bool ans[maxn];
void solve() {
    cin >> n;
    For(i, 1, n) ans[i] = false;
    int maxa = 0;
    int minb = 0x7f7f7f7f;
    int maxb = 0;
    int mid = 0;
    For(i, 1, n) {
        p[i].id = i;
        cin >> p[i].a;
    }
    For(i, 1, n) {
        cin >> p[i].b;
    }
    sort(p + 1, p + n + 1, cmp);
    for(int i = 1; i <= n; i++) {
        if(maxb < p[i].b) {
            maxb = p[i].b;
//            mid = p[i].id;
            mid = i;
        }
    }
    for(int i = n; i >= mid; i--) {
        minb = min(minb, p[i].b);
        ans[p[i].id] = 1;
    }
    int tmp = mid;
    for(int i = tmp - 1; i >= 1; i--) {
        if(p[i].b > minb) {
            for(int j = mid; j >= i; j--) {
                ans[p[j].id] = 1;
                minb = min(minb, p[j].b);
            }
            mid = i - 1;
        }
    }
    for(int i = 1; i <= n; i++) {
        cout << ans[i];
    }
    cout << endl;
}
signed main() {
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
//    int T; scanf("%d", &T); while(T--)
//    freopen("1.txt","r",stdin);
//    freopen("2.txt","w",stdout);
    int T; cin >> T; while(T--)
        solve();
    RE0;
}