oj.uz

Submission #1016994

# Submission time Handle Problem Language Result Execution time Memory
1016994 2024-07-08T16:53:09 Z huutuan Fish (IOI08_fish) C++14
4 / 100
 35 ms 1200 KB 
#include<bits/stdc++.h>

using namespace std;

const int N=7000+10;
int n, m, mod, mx[N], cnt[N], check[N], f[N];
vector<int> v[N];
pair<int, int> a[N];

int32_t main(){
   ios_base::sync_with_stdio(false);
   cin.tie(nullptr);
   cin >> n >> m >> mod;
   for (int i=1; i<=n; ++i) cin >> a[i].first >> a[i].second;
   sort(a+1, a+n+1);
   for (int i=1; i<=n; ++i) mx[a[i].second]=i, ++cnt[a[i].second], f[a[i].second]=1;
   for (int i=1; i<=n; ++i) if (a[i].first*2<=a[mx[a[i].second]].first) ++f[a[i].second];
   int ans=0;
   for (int i=n, j=n; i>=1; --i) if (mx[a[i].second]==i){
      while (j && a[j].first*2>a[i].first){
         --cnt[a[j].second];
         --j;
      }
      {
         int cur=1;
         for (int k=1; k<=m; ++k){
            if (k==a[i].second){
               cur=cur*(cnt[k]+1-check[k])%mod;
            }else{
               if (mx[k]<=i) cur=cur*(cnt[k]+1)%mod;
            }
         }
         ans=(ans+cur)%mod;
      }
      if (check[a[i].second]){
         int cur=1;
         for (int k=1; k<=m; ++k) if (k!=a[i].second){
            cur=cur*(cnt[k]+1)%mod;
         }
         ans=(ans+cur)%mod;
      }
      {
         for (int k=1; k<=m; ++k){
            if (f[k]>cnt[k]) check[k]=1;
         }
      }
   }
   cout << ans << '\n';
   return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 604 KB Output is correct

Subtask #2
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 604 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 604 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 604 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Incorrect 1 ms 604 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 604 KB Output is correct
2 Runtime error 5 ms 1116 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #7
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 604 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 604 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 6.0

# Verdict Execution time Memory Grader output
1 Runtime error 5 ms 1116 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #10
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 35 ms 604 KB Output is correct
2 Incorrect 9 ms 604 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #11
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 5 ms 1116 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #12
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 9 ms 1116 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #13
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 6 ms 1116 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #14
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 5 ms 1200 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #15
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 5 ms 1116 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #16
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 7 ms 1112 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #17
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 6 ms 1116 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #18
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 5 ms 1116 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #19
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 8 ms 1116 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -