Submission #897607

# Submission time Handle Problem Language Result Execution time Memory
897607 2024-01-03T13:28:22 Z coding_monk3 Examination (JOI19_examination) C++17
2 / 100
3000 ms 29960 KB
#include <bits/stdc++.h>
using namespace std;

// Miscellanous
#define gc getchar_unlocked
#define ll long long
#define ull unsigned long long
#define si(x)	scanf("%d",&x)
#define si2(x,y) scanf("%d %d",&x,&y)
#define sl(x)	scanf("%lld",&x)
#define sl2(x,y) scanf("%lld %lld",&x,&y)
#define sstr(s)	cin >> s
#define pi(x)	printf("%d\n",x)
#define pi2(x,y)	printf("%d %d\n",x,y)
#define pl(x)	printf("%lld\n",x)
#define pl2(x,y)	printf("%lld %lld\n",x,y)
#define ps(s)	cout << s << endl
#define py	    printf("YES\n")
#define pn	    printf("NO\n")
#define pnl	    printf("\n")
#define pb push_back
#define ff first
#define ss second
#define sz(v) (int)v.size()
#define all(v) v.begin(),v.end()
#define sortv(v) sort(all(v))
#define revsort(v) sort(v.rbegin(),v.rend())
#define reverse(v) reverse(all(v))
#define alla(arr,sz) arr,arr+sz
#define sorta(arr,sz) sort(alla(arr,sz))
#define reversea(arr,sz) reverse(alla(arr,sz))
#define cta(x,v) count(alla(arr,sz),x)
#define ct(x,v) count(all(v),x)
#define cto(v) count_if(all(v),[] (int a) {return a%2 == 1;})
#define cte(v) count_if(all(v),[] (int a) {return a%2 == 0;})

#define MAX(a,b) a = max(a,b)
#define MIN(a,b) a = min(a,b)
#define clr(x) memset(x, 0, sizeof(x))

// Loops
#define loop(i,s,e) for (int (i)=(s);(i)<(e);++(i))
#define loope(i,s,e) for (int (i)=(s);(i)<=(e);++(i))
#define forc(c,s,e) for (char (c)=(s);(c)<=(e);++(c))
#define forr(i,s,e) for (int (i)=(s);(i)>=(e);--(i))
#define foreach(val,cont) for (auto &(val) : (cont))
#define rep(i,n) loop(i,0,n)
#define repn(i,n) loope(i,1,n)

// Constants
#define PI 3.1415926535897932384626
#define sqr(x) ((x) * 1ll * (x))
const int mod = 1000000007;

// Containers
typedef pair<int, int>	    pii;
typedef pair<ll, ll>	    pll;
typedef vector<int>		    vi;
typedef vector<ll>		    vl;
typedef vector<pii>		    vpii;
typedef vector<pll>		    vpll;
typedef vector<vi>		    vvi;
typedef vector<vl>		    vvl;
typedef pair<string,string> pss;
typedef map<int, int>	    mii;

// Input Output
#define takei(a) int a; si(a)
#define takei2(a,b) int a,b; si2(a,b)
#define takel(a) ll a; sl(a)
#define takel2(a,b) ll a,b; sl2(a,b)
#define takearri0(n,a)  vi a(n); rep(i,n) si(a[i]) 
#define takearri1(n,a)  vi a(n+1); a[0] = 0; repn(i,n) si(a[i])
#define takearrl0(n,a)  vl a(n); rep(i,n) sl(a[i]) 
#define takearrl1(n,a)  vl a(n+1); a[0] = 0ll; repn(i,n) sl(a[i]) 

// Debug
void _print(int t) {cerr << t;}
void _print(ll t) {cerr << t;}
void _print(string t) {cerr << t;}
void _print(char t) {cerr << t;}
void _print(double t) {cerr << t;}
void _print(ull t) {cerr << t;}

template <class T, class V> void _print(pair <T, V> p);
template <class T> void _print(vector <T> v);

template <class T> void _print(unordered_set <T> v);
template <class T> void _print(unordered_multiset <T> v);
template <class T> void _print(set <T> v);
template <class T> void _print(multiset <T> v);

template <class T, class V> void _print(unordered_map <T, V> v);
template <class T, class V> void _print(unordered_multimap <T, V> v);
template <class T, class V> void _print(map <T, V> v);
template <class T, class V> void _print(multimap <T, V> v);

template <class T, class V> void _print(pair <T, V> p) {cerr << "{"; _print(p.ff); cerr << ","; _print(p.ss); cerr << "}";}
template <class T> void _print(vector <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";}

template <class T> void _print(unordered_set <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T> void _print(unordered_multiset <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T> void _print(set <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T> void _print(multiset <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";}

template <class T, class V> void _print(unordered_map <T, V> v) {cerr << "[ "; for (auto i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T, class V> void _print(unordered_multimap <T, V> v) {cerr << "[ "; for (auto i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T, class V> void _print(map <T, V> v) {cerr << "[ "; for (auto i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T, class V> void _print(multimap <T, V> v) {cerr << "[ "; for (auto i : v) {_print(i); cerr << " ";} cerr << "]";}

#ifndef ONLINE_JUDGE
#define deb(x) cerr << #x << " = ";  _print(x); cerr << endl;
#else
#define deb(x)
#endif


inline string inttostr(ll a){
  char x[100];
  sprintf(x,"%lld",a); string s = x;
  return s;
}

inline ll strtoint(string a){
  char x[100]; ll res;
  strcpy(x,a.c_str()); sscanf(x,"%lld",&res);
  return res;
}

inline string getstr(void){
  char x[1000005];
  scanf("%s",x); string s = x;
  return s;
}

inline string uppercase(string s){
  int n = sz(s); 
  rep(i,n) if (s[i] >= 'a' && s[i] <= 'z') s[i] = s[i] - 'a' + 'A';
  return s;
}
 
inline string lowercase(string s){
  int n = sz(s); 
  rep(i,n) if (s[i] >= 'A' && s[i] <= 'Z') s[i] = s[i] - 'A' + 'a';
  return s;
}

// ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

const int LOGN = 30;
const int MAXN = 1 << LOGN;
const int B_SIZE_SORT = 30000;

int ai,bi;

bool cmp(vl &a, vl &b)
{
    ll ai = a[0]/B_SIZE_SORT , bi = b[0]/B_SIZE_SORT;
    if(ai != bi) return ai < bi;
    return (ai&1 ? a[1] < b[1] : a[1] > b[1]);
}

int f[100000 + 5];
const int B_SIZE = 300;
const int block_ct = 100000/B_SIZE + 5;
int block[block_ct];
vi d;

void add(vpii &v, int lb)
{
    for (int i = sz(v) - 1; i >= 0; i--)
    {
        if(v[i].ff < lb) return;
        int x = v[i].ss;
        f[x]++;
        block[x/B_SIZE]++;
    }
}

void remove(vpii &v, int lb)
{
    for (int i = sz(v) - 1; i >= 0; i--)
    {
        if(v[i].ff < lb) return;
        int x = v[i].ss;
        f[x]--;
        block[x/B_SIZE]--;
    }
}

int get(int k)
{
    int ans = 0;
    int curB = k/B_SIZE;
    loop(i,k,(curB+1)*B_SIZE) ans += f[i];
    loop(i,curB+1,block_ct) ans += block[i];

    return ans;
}

int main()
{
  clr(f); clr(block);
  takei2(n,q); 
  d.resize(n);
  map<int,vi> m1,m2;
  rep(i,n) 
  {
    takei2(s,t);
    m1[s].pb(t);
    m2[t].pb(s);
    d[i] = s+t;
  }
  // Coordinate Compression 
  sortv(d);
  d.resize(unique(all(d)) - d.begin());
  

  vector<vpii> left; vi li;
  for(auto &pr : m1)
  {
    vi &v = pr.ss;
    vpii tmp;
    sortv(v);
    for(auto ele : v)
    {
        tmp.pb({ele , lower_bound(all(d) , ele+pr.ff) - d.begin()});
    }
    left.pb(tmp);
    li.pb(pr.ff);
  }
  vector<vpii> right; vi ri;
  for(auto &pr : m2)
  {
    vi &v = pr.ss;
    vpii tmp;
    sortv(v);
    for(auto ele : v)
    {
        tmp.pb({ele , lower_bound(all(d) , ele+pr.ff) - d.begin()});
    }
    right.pb(tmp);
    ri.pb(pr.ff);
  }
  
  vvl queries(q,vl(4));
  rep(i,q)
  {
    takei2(l,r); takei(k);
    
    queries[i][0] = l;
    queries[i][1] = r;
    queries[i][2] = i;
    queries[i][3] = lower_bound(all(d) , k) - d.begin();
  }
  sort(all(queries) , cmp);
  
  int pl = sz(li), pr = sz(ri);
  vi ans(q);
  rep(i,q)
  {
    int l = queries[i][0] , r = queries[i][1] , id = queries[i][2], k = queries[i][3];

    while(pl > 0 and li[pl-1] >= l) 
    {
        pl--;
        if(pr < sz(ri)) add(left[pl] , ri[pr]);
    }

    while(pr > 0 and ri[pr-1] >= r) 
    {
        pr--;
        if(pl < sz(li)) add(right[pr] , li[pl]);
    }

    while(pl < sz(li) and li[pl] < l) 
    {
        if(pr < sz(ri)) remove(left[pl] , ri[pr]);
        pl++;
    }
    
    while(pr < sz(ri) and ri[pr] < r) 
    {
        if(pl < sz(li)) remove(right[pr] , li[pl]);
        pr++;
    }
    
    ans[id] = get(k);
  }
  for(auto i : ans) pi(i);
  return 0;
}
// ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Compilation message

examination.cpp: In function 'std::string uppercase(std::string)':
examination.cpp:42:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   42 | #define loop(i,s,e) for (int (i)=(s);(i)<(e);++(i))
      |                              ^
examination.cpp:47:18: note: in expansion of macro 'loop'
   47 | #define rep(i,n) loop(i,0,n)
      |                  ^~~~
examination.cpp:138:3: note: in expansion of macro 'rep'
  138 |   rep(i,n) if (s[i] >= 'a' && s[i] <= 'z') s[i] = s[i] - 'a' + 'A';
      |   ^~~
examination.cpp: In function 'std::string lowercase(std::string)':
examination.cpp:42:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   42 | #define loop(i,s,e) for (int (i)=(s);(i)<(e);++(i))
      |                              ^
examination.cpp:47:18: note: in expansion of macro 'loop'
   47 | #define rep(i,n) loop(i,0,n)
      |                  ^~~~
examination.cpp:144:3: note: in expansion of macro 'rep'
  144 |   rep(i,n) if (s[i] >= 'A' && s[i] <= 'Z') s[i] = s[i] - 'A' + 'a';
      |   ^~~
examination.cpp: In function 'int get(int)':
examination.cpp:42:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   42 | #define loop(i,s,e) for (int (i)=(s);(i)<(e);++(i))
      |                              ^
examination.cpp:195:5: note: in expansion of macro 'loop'
  195 |     loop(i,k,(curB+1)*B_SIZE) ans += f[i];
      |     ^~~~
examination.cpp:42:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   42 | #define loop(i,s,e) for (int (i)=(s);(i)<(e);++(i))
      |                              ^
examination.cpp:196:5: note: in expansion of macro 'loop'
  196 |     loop(i,curB+1,block_ct) ans += block[i];
      |     ^~~~
examination.cpp: In function 'int main()':
examination.cpp:42:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   42 | #define loop(i,s,e) for (int (i)=(s);(i)<(e);++(i))
      |                              ^
examination.cpp:47:18: note: in expansion of macro 'loop'
   47 | #define rep(i,n) loop(i,0,n)
      |                  ^~~~
examination.cpp:207:3: note: in expansion of macro 'rep'
  207 |   rep(i,n)
      |   ^~~
examination.cpp:42:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   42 | #define loop(i,s,e) for (int (i)=(s);(i)<(e);++(i))
      |                              ^
examination.cpp:47:18: note: in expansion of macro 'loop'
   47 | #define rep(i,n) loop(i,0,n)
      |                  ^~~~
examination.cpp:247:3: note: in expansion of macro 'rep'
  247 |   rep(i,q)
      |   ^~~
examination.cpp:42:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   42 | #define loop(i,s,e) for (int (i)=(s);(i)<(e);++(i))
      |                              ^
examination.cpp:47:18: note: in expansion of macro 'loop'
   47 | #define rep(i,n) loop(i,0,n)
      |                  ^~~~
examination.cpp:260:3: note: in expansion of macro 'rep'
  260 |   rep(i,q)
      |   ^~~
examination.cpp:9:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 | #define si2(x,y) scanf("%d %d",&x,&y)
      |                  ~~~~~^~~~~~~~~~~~~~~
examination.cpp:69:30: note: in expansion of macro 'si2'
   69 | #define takei2(a,b) int a,b; si2(a,b)
      |                              ^~~
examination.cpp:204:3: note: in expansion of macro 'takei2'
  204 |   takei2(n,q);
      |   ^~~~~~
examination.cpp:9:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 | #define si2(x,y) scanf("%d %d",&x,&y)
      |                  ~~~~~^~~~~~~~~~~~~~~
examination.cpp:69:30: note: in expansion of macro 'si2'
   69 | #define takei2(a,b) int a,b; si2(a,b)
      |                              ^~~
examination.cpp:209:5: note: in expansion of macro 'takei2'
  209 |     takei2(s,t);
      |     ^~~~~~
examination.cpp:9:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 | #define si2(x,y) scanf("%d %d",&x,&y)
      |                  ~~~~~^~~~~~~~~~~~~~~
examination.cpp:69:30: note: in expansion of macro 'si2'
   69 | #define takei2(a,b) int a,b; si2(a,b)
      |                              ^~~
examination.cpp:249:5: note: in expansion of macro 'takei2'
  249 |     takei2(l,r); takei(k);
      |     ^~~~~~
examination.cpp:8:20: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 | #define si(x) scanf("%d",&x)
      |               ~~~~~^~~~~~~~~
examination.cpp:68:25: note: in expansion of macro 'si'
   68 | #define takei(a) int a; si(a)
      |                         ^~
examination.cpp:249:18: note: in expansion of macro 'takei'
  249 |     takei2(l,r); takei(k);
      |                  ^~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 0 ms 604 KB Output is correct
3 Correct 0 ms 600 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 604 KB Output is correct
7 Correct 23 ms 1880 KB Output is correct
8 Correct 25 ms 1884 KB Output is correct
9 Correct 22 ms 1884 KB Output is correct
10 Correct 7 ms 1628 KB Output is correct
11 Correct 8 ms 1628 KB Output is correct
12 Correct 7 ms 1112 KB Output is correct
13 Correct 23 ms 1884 KB Output is correct
14 Correct 22 ms 2076 KB Output is correct
15 Correct 23 ms 2076 KB Output is correct
16 Correct 10 ms 1624 KB Output is correct
17 Correct 10 ms 1372 KB Output is correct
18 Correct 7 ms 1116 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 3071 ms 29960 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 3071 ms 29960 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 0 ms 604 KB Output is correct
3 Correct 0 ms 600 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 604 KB Output is correct
7 Correct 23 ms 1880 KB Output is correct
8 Correct 25 ms 1884 KB Output is correct
9 Correct 22 ms 1884 KB Output is correct
10 Correct 7 ms 1628 KB Output is correct
11 Correct 8 ms 1628 KB Output is correct
12 Correct 7 ms 1112 KB Output is correct
13 Correct 23 ms 1884 KB Output is correct
14 Correct 22 ms 2076 KB Output is correct
15 Correct 23 ms 2076 KB Output is correct
16 Correct 10 ms 1624 KB Output is correct
17 Correct 10 ms 1372 KB Output is correct
18 Correct 7 ms 1116 KB Output is correct
19 Execution timed out 3071 ms 29960 KB Time limit exceeded
20 Halted 0 ms 0 KB -