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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#775969 | #9791. Intrusive Donkey | ucup-team159# | WA | 0ms | 4004kb | C++20 | 6.7kb | 2024-11-23 17:10:49 | 2024-11-23 17:10:49 |
Judging History
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'