int main() {
	int C = 0, T, q, x, y;
	scanf("%d", &T);
	while (++C <= T) {
		bit.init();
		scanf("%d", &n);
		for (int i = 1; i <= n; i++) {
			scanf("%d", &x);
			bit.modify(i, x);
		}
		scanf("%d", &q);
		while (q--) {
			scanf("%d %d", &x, &y);
			printf("%d\n", bit.query(x, y));
		}
	}
}
示例#2
0
int main(){
	ios_base::sync_with_stdio(0); cin.tie(0); 
	//freopen("d.in", "r", stdin);

	cin >> T;	
	while (T--){
		cin >> N;
		for (int i = 1 ; i <= N ; i++){
			cin >> A[i];
			B[i] = A[i];
		}
		
		sort(B + 1, B + N + 1);

		for (int i = 1 ; i <= N ; i++)
			ID[i] = lower_bound(B + 1, B + N + 1, A[i]) - B;

		S[N + 1] = 0;
		for (int i = N ; i >= 1 ; i--){
			S[i] = 1;
			if (ID[i] < ID[i + 1])
				S[i] += S[i + 1];
		}

		int sol = 0;
		BIT bit;

		for (int i = 1 ; i <= N ; i++){
			D[i] = 1;
			if (ID[i] > ID[i - 1])
				D[i] += D[i - 1];

			bit.update(ID[i], D[i]);

			int s = S[i] + bit.query(ID[i] - 1);

			if (sol < s)
				sol = s;
		}

		cout << sol << '\n';
	}

	return 0;
}
示例#3
0
  int query(int l, int r) {
//    cout << bit.query(r,r) << " " << bit.query(l-1,r) << endl;
    return bit.query(r, r) - bit.query(l-1, r);
  }
int main()
{
    scanf("%d%d", &n, &m);
    for (int i = 1; i <= m; ++i) {
        int s;
        scanf("%d", &s);
        sect[s].push_back(i);
    }
    for (int i = 1; i <= n; ++i) scanf("%d", &need[i]);
    scanf("%d", &k);
    for (int q = 0; q < k; ++q) {
        scanf("%d%d%d", &l[q], &r[q], &a[q]);
    }

    for (int i = 1; i <= n; ++i) {
        lo[i] = 0;
        hi[i] = k;
    }
    BIT bit;
    while (!terminated()){
        // clear tree
        bit.reset();

        // generate new check
        for (int i = 1; i <= n; ++i) {
            int mid = (lo[i]+hi[i])/2;
            check[mid].push_back(i);
        }

        for (int q = 0; q < k; ++q) {
            // apply query
            if (l[q] <= r[q]) {
                bit.update(l[q], a[q]);
                bit.update(r[q]+1, -a[q]);
            }
            else {
                bit.update(l[q], a[q]);
                bit.update(1, a[q]);
                bit.update(r[q]+1, -a[q]);
            }

            // check
            for (auto &v: check[q]) {
                long long sum = 0;
                for (auto &s: sect[v]) {
                    sum += bit.query(s);
                    if (sum >= need[v]) break;
                }
                if (sum >= need[v]) {
                    hi[v] = q;
                }
                else {
                    lo[v] = q+1;
                }
            }
            check[q].clear();
        }

    }

    for (int i = 1; i <= n; ++i) {
        if (lo[i] < k) printf("%d\n", lo[i]+1);
        else puts("NIE");
    }

    return 0;
}
示例#5
0
int HLD::query(int x)
{
	return bit.query( dfsn[x] );
}
示例#6
0
int main()
{
    int T, ca=0, ti = 0, a, bb, sum, le, ri;
    char op[10];
    vi p1, p2;
    scanf("%d", &T);
    while (T--)
    {
          scanf("%d%d%d", &n, &Q, &t);
        //  n+=2;
          ans.init();
          seg.init();
          point.clear();
          ti=0;
          printf("Case %d:\n", ++ca);
          for (int i=0; i<Q; i++)
          {
              scanf("%s", op);
              if (op[0]=='A')
              {
                  ti++;
                  scanf("%d%d", &que[ti][0], &que[ti][1]);
                  que[ti][0] += 2; que[ti][1] += 2;
              //    cout <<ti << " "<<t<<endl;
                  if (ti-t>=1) 
                  {
                      seg.insert_seg(que[ti-t][0], que[ti-t][1], -1);
                      point.erase(lower_bound(point.begin(), point.end(), que[ti-t][0]));
                      point.erase(lower_bound(point.begin(), point.end(), que[ti-t][1]));                                                         
                  }
                  if (point.size()>=2){
                  vi pp = point.end();
                  pp--;
                  le = max(*point.begin(), que[ti][0]); 
                  ri = min(*pp, que[ti][1]);
                  if (le > ri)
                  {
                     le = que[ti][0];
                     ri = que[ti][1];                         
                  }
                  cout <<le-2 <<" "<<ri-2 <<"----"<<*point.begin() <<" "<<*pp <<endl;
                  ans.updata(ri-2, 1);
                  ans.updata(le-1-2, -1);
                  }
                  point.insert(que[ti][0]);
                  point.insert(que[ti][1]);                  
                  if (ti-t>=1)
                  {
                     le = max(que[ti-t][0], le);
                     ri = min(ri, que[ti-t][1]);
                     cout <<le-2 <<" "<<ri-2<<"  recovery" <<endl;
                     ans.updata(ri-2, -1);
                     ans.updata(le-1-2, 1);                             
                         
                   le = n+2; ri = 2;
                   if (ti-t-1>=1){
                      for (int j=ti-t-1; j+t>=ti-t && j+t<ti; j--)
                      {
                        //  if (j < 1) break;
                          le = min(le, que[j][0]);
                          ri = max(ri, que[j][1]);    
                      }
                      le = max(le, que[ti-t][0]);
                      ri = min(ri, que[ti-t][1]);
                   //   cout <<le-2 <<" "<<ri-2<<" add" <<endl;
                      ans.updata(ri-2, 1);
                      ans.updata(le-1-2, -1);        
                      }                         
                  
                  }
              }
              else
              {
                  scanf("%d", &bb);
                  printf("%d\n", ans.query(bb));
              }
          }
    }
    system("pause");
    return 0;
    }