oj.uz

Submission #776539

# Submission time Handle Problem Language Result Execution time Memory
776539 2023-07-08T03:40:20 Z jamezzz Fish (IOI08_fish) C++17
0 / 100
 207 ms 65536 KB 
#include <bits/stdc++.h>
using namespace std;

#define sf scanf
#define pf printf
#define fi first
#define se second
#define pb push_back
#define sz(x) ((int)x.size())
#define all(x) x.begin(),x.end()
#define LINF 1023456789123456789
typedef long long ll;
typedef pair<int,int> ii;
typedef pair<ll,int> li;

#define maxn 500005
#define maxk 7005

int n,k,m,cnt[maxk],bad[maxk],num[maxk][maxk];
ll mn[maxn];
vector<ii> v;

int main(){
  sf("%d%d%d",&n,&k,&m);
  assert(n<=500000&&k<=7000);
  for(int i=0;i<n;++i){
    int l,c;
    sf("%d%d",&l,&c);
    v.pb({l,c});
    ++cnt[c];
  }
  sort(all(v));
  int ptr=n-1;
  ll ans=0;
  fill(mn,mn+n+1,1);
  for(int i=n-1;i>=0;--i){
    int c=v[i].se;
    if(bad[c])continue;
    while(ptr>=0&&v[i].fi<2*v[ptr].fi){
      --cnt[v[ptr].se];
      --ptr;
    }
    vector<int> undo;
    for(int j=1;j<=k;++j){
      if(v[i].se==j)continue;
      int x=num[c][j];
      if(x==cnt[c]+1){
        mn[x+1]*=(cnt[j]+1);
        mn[x+1]%=m;
        undo.pb(x+1);
      }
    }
    ll add=1;
    for(int j=1;j<=cnt[c]+1;++j){
      add*=mn[j];
      add%=m;
      ans+=add;
      ans%=m;
    }
    for(int x:undo)mn[x]=1;
    for(int j=1;j<=k;++j){
      num[j][c]=cnt[j];
    }
    bad[c]=1;
  }
  pf("%lld\n",ans);
}

Compilation message

fish.cpp: In function 'int main()':
fish.cpp:24:5: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |   sf("%d%d%d",&n,&k,&m);
      |     ^
fish.cpp:28:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |     sf("%d%d",&l,&c);
      |       ^

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Incorrect 1 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Incorrect 124 ms 8264 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #7
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 724 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 596 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 45 ms 4812 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 32 ms 24996 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #11
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 104 ms 21888 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #12
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 144 ms 31976 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #13
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 207 ms 65536 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #14
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 340 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #15
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 468 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #16
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 468 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #17
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 3 ms 468 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #18
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 4 ms 468 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #19
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 4 ms 396 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -