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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#775969#9791. Intrusive Donkeyucup-team159#WA 0ms4004kbC++206.7kb2024-11-23 17:10:492024-11-23 17:10:49

Judging History

你现在查看的是最新测评结果

  • [2024-11-23 17:10:49]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:4004kb
  • [2024-11-23 17:10:49]
  • 提交

answer

#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define rep1(i,n) for(int i = 1; i <= (n); ++i)
#define drep(i,n) for(int i = (n)-1; i >= 0; --i)
#define srep(i,s,t) for (int i = s; i < (t); ++i)
#define rng(a) a.begin(),a.end()
#define rrng(a) a.rbegin(),a.rend()
#define fi first
#define se second
#define pb push_back
#define eb emplace_back
#define em emplace
#define pob pop_back
#define sz(x) (int)(x).size()
#define pcnt __builtin_popcountll
#define snuke srand((unsigned)clock()+(unsigned)time(NULL));
#define newline puts("")
#define vc vector
using namespace std;
template<class T> using vv = vc<vc<T>>;
template<class T> using PQ = priority_queue<T,vc<T>,greater<T>>;
using uint = unsigned; using ull = unsigned long long;
using vi = vc<int>; using vvi = vv<int>; using vvvi = vv<vi>;
using ll = long long; using vl = vc<ll>; using vvl = vv<ll>; using vvvl = vv<vl>;
using P = pair<int,int>; using vp = vc<P>; using vvp = vv<P>; using LP = pair<ll,ll>;
int geti(){int x;scanf("%d",&x);return x;}
vi pm(int n, int s=0) { vi a(n); iota(rng(a),s); return a;}
template<class T1,class T2>istream& operator>>(istream&i,pair<T1,T2>&v){return i>>v.fi>>v.se;}
template<class T1,class T2>ostream& operator<<(ostream&o,const pair<T1,T2>&v){return o<<v.fi<<","<<v.se;}
template<class T>istream& operator>>(istream&i,vc<T>&v){rep(j,sz(v))i>>v[j];return i;}
template<class T>string join(const T&v,const string&d=""){stringstream s;rep(i,sz(v))(i?s<<d:s)<<v[i];return s.str();}
template<class T>ostream& operator<<(ostream&o,const vc<T>&v){if(sz(v))o<<join(v," ");return o;}
template<class T>void vin(vc<T>&a){int n;cin>>n;a=vc<T>(n);cin>>a;}
template<class T>void vin(vv<T>&a){int n,m;cin>>n>>m;a=vv<T>(n,vc<T>(m));cin>>a;}
template<class T1,class T2>void operator--(pair<T1,T2>&a,int){a.fi--;a.se--;}
template<class T1,class T2>void operator++(pair<T1,T2>&a,int){a.fi++;a.se++;}
template<class T>void operator--(vc<T>&a,int){for(T&x:a)x--;}
template<class T>void operator++(vc<T>&a,int){for(T&x:a)x++;}
template<class T1,class T2>void operator+=(vc<T1>&a,T2 b){for(T1&x:a)x+=b;}
template<class T1,class T2>void operator-=(vc<T1>&a,T2 b){for(T1&x:a)x-=b;}
template<class T1,class T2>void operator*=(vc<T1>&a,T2 b){for(T1&x:a)x*=b;}
template<class T1,class T2>void operator/=(vc<T1>&a,T2 b){for(T1&x:a)x/=b;}
template<class T>void operator+=(vc<T>&a,const vc<T>&b){a.insert(a.end(),rng(b));}
template<class T1,class T2>pair<T1,T2>operator+(const pair<T1,T2>&a,const pair<T1,T2>&b){return {a.fi+b.fi,a.se+b.se};}
template<class T1,class T2>pair<T1,T2>operator-(const pair<T1,T2>&a,const pair<T1,T2>&b){return {a.fi-b.fi,a.se-b.se};}
template<class T>pair<T,T>operator*(const pair<T,T>&a,T b){return {a.fi*b,a.se*b};}
template<class T1,class T2>bool mins(T1& x,const T2&y){if(y<x){x=y;return true;}else return false;}
template<class T1,class T2>bool maxs(T1& x,const T2&y){if(x<y){x=y;return true;}else return false;}
template<class T>T min(const vc<T>&a){return *min_element(rng(a));}
template<class T>T max(const vc<T>&a){return *max_element(rng(a));}
template<class Tx,class Ty>Tx dup(Tx x, Ty y){return (x+y-1)/y;}
template<class T>ll suma(const vc<T>&a){ll s=0;for(auto&&x:a)s+=x;return s;}
template<class T>ll suma(const vv<T>&a){ll s=0;for(auto&&x:a)s+=suma(x);return s;}
template<class T>void uni(T&a){sort(rng(a));a.erase(unique(rng(a)),a.end());}
template<class T>void prepend(vc<T>&a,const T&x){a.insert(a.begin(),x);}
const double eps = 1e-10;
const ll LINF = 1001002003004005006ll;
const int INF = 1001001001;
#define dame { puts("-1"); return;}
#define yes { puts("Yes"); return;}
#define no { puts("No"); return;}
#define rtn(x) { cout<<(x)<<'\n'; return;} // flush!
#define yn {puts("Yes");}else{puts("No");}

// Segment tree
struct F {
  ll d;
  F(ll d=0):d(d) {}
  F& operator+=(const F& f) {
    d += f.d;
    mins(d,LINF);
    return *this;
  }
  F operator+(const F& f) const { return F(*this) += f;}
};
ostream& operator<<(ostream&o,const F&f){return o<<f.d;}
struct seg {
  vector<F> d; int n;
  seg(){}
  seg(int mx) {
    n = 1; while (n < mx) n <<= 1;
    d = vector<F>(n<<1);
  }
  void upd(int i) { d[i] = d[i<<1]+d[i<<1|1];}
  F& operator[](int i) { return d[n+i];}
  void init() { for(int i=n-1;i;--i) upd(i);}
  void add(int i, F f) { for (i+=n,d[i]+=f,i>>=1;i;i>>=1) upd(i);}
  void set(int i, F f) { for (i+=n,d[i]=f,i>>=1;i;i>>=1) upd(i);}
  F get() { return d[1];}
  F get(int l, int r) {
    l += n; r += n;
    F lf, rf;
    while (l < r) {
      if (l&1) lf += d[l++];
      if (r&1) rf = d[--r] + rf;
      l >>= 1; r >>= 1;
    }
    return lf += rf;
  }
  // [l,x): true, [l,x+1): false
  template<class Func> int mxr(Func f) { return mxr(f,0);}
  template<class Func> int mxr(Func f, int l) {
    assert(0 <= l && l <= n && f(F()));
    if (l == n) return n;
    F s; l += n; do {
      while (~l&1) l >>= 1;
      if (!f(s+d[l])) {
        while (l < n) { l<<=1; if (f(s+d[l])) s += d[l++];} return l-n;
      } s += d[l++];
    } while ((l&-l) != l); return n;
  }
  // [x,r): true, [x-1,r): false
  template<class Func> int mnl(Func f) { return mnl(f,0);}
  template<class Func> int mnl(Func f, int r) {
    assert(0 <= r && r <= n && f(F()));
    if (r == 0) return 0;
    F s; r += n; do {
      r--; while (r>1&&(r&1)) r >>= 1;
      if (!f(d[r]+s)) {
        while (r < n) { r=r<<1|1; if (f(d[r]+s)) s = d[r--]+s;} return r+1-n;
      } s = d[r]+s;
    } while ((r&-r) != r); return 0;
  }
};
//
struct Solver {
  void solve() {
    int n,q;
    scanf("%d%d",&n,&q);
    string s;
    cin>>s;

    vl w(n+1,1);
    seg t(n+1);
    rep(i,n) t[i] = F(1);
    t.init();

    auto getp = [&](ll x) {
      auto f = [&](F d) {
        return d.d <= x;
      };
      return t.mxr(f);
    };

    auto add = [&](int i, ll x) {
      w[i] += x;
      mins(w[i],LINF);
      t.set(i,F(w[i]));
    };

    rep(qi,q) {
      int type;
      scanf("%d",&type);
      if (type == 1) {
        ll l,r;
        scanf("%lld%lld",&l,&r);
        l--;
        r -= l;
        int li = getp(l);
        l -= t.get(0,li).d;
        if (w[li] >= l+r) {
          add(li,r);
        } else {
          add(li,w[li]-l); li++;
          r -= w[li]-l;
          while (li < n && w[li] < r) {
            r -= w[li];
            add(li,w[li]);
            li++;
          }
          if (li < n) add(li,r);
        }
      } else {
        ll i;
        scanf("%lld",&i);
        --i;
        i = getp(i);
        printf("%c\n",s[i]);
      }
      // cout<<w<<endl;
    }
  }
};

int main() {
  // cin.tie(nullptr); ios::sync_with_stdio(false);
  int ts = 1;
  // scanf("%d",&ts);
  rep1(ti,ts) {
    Solver solver;
    solver.solve();
  }
  return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3716kb

input:

4 7
abac
2 2
2 3
1 2 3
2 3
2 4
2 5
2 6

output:

b
a
b
a
a
c

result:

ok 6 lines

Test #2:

score: 0
Accepted
time: 0ms
memory: 4004kb

input:

5 4
shrek
1 1 2
2 7
1 1 7
2 7

output:

k
h

result:

ok 2 lines

Test #3:

score: 0
Accepted
time: 0ms
memory: 3820kb

input:

4 7
abac
2 2
2 3
1 2 3
2 3
2 4
2 5
2 6

output:

b
a
b
a
a
c

result:

ok 6 lines

Test #4:

score: 0
Accepted
time: 0ms
memory: 3708kb

input:

5 4
shrek
1 1 2
2 7
1 1 7
2 7

output:

k
h

result:

ok 2 lines

Test #5:

score: -100
Wrong Answer
time: 0ms
memory: 3776kb

input:

3 55
vfe
1 2 3
1 2 2
1 3 5
2 4
1 1 2
2 9
2 7
2 5
1 10 10
1 1 1
2 9
1 8 12
2 8
1 7 10
2 1
1 5 6
1 1 4
1 20 24
1 14 32
1 19 38
2 48
1 56 64
2 58
2 19
1 64 72
1 36 86
2 11
1 117 124
2 38
2 108
2 85
1 112 118
2 153
2 40
2 114
2 80
1 11 18
2 27
2 73
1 159 162
2 84
1 130 164
2 163
2 65
1 150 156
1 101 109...

output:

f
p
e
e
e
e
v
v
p
p
p
v
v
v
p
p
p
p
v
v
p
v
v
p
p
p
p

result:

wrong answer 2nd lines differ - expected: 'e', found: 'p'