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Submission #1017011

# Submission time Handle Problem Language Result Execution time Memory
1017011 2024-07-08T17:08:10 Z huutuan Fish (IOI08_fish) C++14
32 / 100
 3000 ms 2204 KB 
#include<bits/stdc++.h>

using namespace std;

const int N=7000+10;
int n, m, mod, mx[N], cnt[N], f[N], vis[N], cnt2[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 (mx[k]<=i) cur=cur*(cnt[k]+1)%mod;
         ans=(ans+cur)%mod;
      }
      for (int k:v[a[i].second]) vis[k]=0;
      {
         for (int k=1; k<=m; ++k) if (mx[k]<i){
            if (f[k]>cnt[k]){
               int j2=j;
               while (j && a[j].first*2>a[mx[k]].first){
                  --cnt[a[j].second];
                  --j;
               }
               {
                  int cur=1;
                  for (int t=1; t<=m; ++t) if (mx[t]<=i){
                     if (t==a[i].second) cur=cur*cnt[t]%mod;
                     else if (t!=k) cur=cur*(cnt[t]+1)%mod;
                  }
                  ans=(ans+cur)%mod;
               }
               while (j!=j2){
                  ++j;
                  ++cnt[a[j].second];
               }
            }
         }
      }
   }
   cout << ans << '\n';
   return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct

Subtask #2
4.0 / 4.0

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

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 624 KB Output is correct

Subtask #4
4.0 / 4.0

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

Subtask #5
4.0 / 4.0

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

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Runtime error 6 ms 1884 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #7
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 604 KB Output is correct

Subtask #8
6.0 / 6.0

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

Subtask #9
0 / 6.0

# Verdict Execution time Memory Grader output
1 Runtime error 6 ms 1880 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #10
0 / 6.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3042 ms 600 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #11
0 / 7.0

# Verdict Execution time Memory Grader output
1 Runtime error 6 ms 1884 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 6 ms 2032 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 8 ms 2140 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 6 ms 2136 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 7 ms 2204 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 1984 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 2140 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 7 ms 1856 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 6 ms 2140 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -