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Submission #395963

# Submission time Handle Problem Language Result Execution time Memory
395963 2021-04-29T09:29:40 Z MarcoMeijer Fish (IOI08_fish) C++14
4 / 100
 3000 ms 8888 KB 
#include <bits/stdc++.h>
using namespace std;
 
// macros
typedef long long ll;
typedef long double ld;
typedef pair<int, int> ii;
typedef pair<ll, ll> lll;
typedef tuple<int, int, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<iii> viii;
typedef vector<ll> vll;
typedef vector<lll> vlll;
#define REP(a,b,c) for(int a=int(b); a<int(c); a++)
#define RE(a,c) REP(a,0,c)
#define RE1(a,c) REP(a,1,c+1)
#define REI(a,b,c) REP(a,b,c+1)
#define REV(a,b,c) for(int a=int(c-1); a>=int(b); a--)
#define FOR(a,b) for(auto& a : b)
#define all(a) a.begin(), a.end()
#define INF 1e18
#define EPS 1e-9
#define pb push_back
#define popb pop_back
#define fi first
#define se second
 
// input
template<class T> void IN(T& x) {cin >> x;}
template<class H, class... T> void IN(H& h, T&... t) {IN(h); IN(t...); }
 
// output
template<class T1, class T2> void OUT(const pair<T1,T2>& x);
template<class T> void OUT(const vector<T>& x);
template<class T> void OUT(const T& x) {cout << x;}
template<class H, class... T> void OUT(const H& h, const T&... t) {OUT(h); OUT(t...); }
template<class T1, class T2> void OUT(const pair<T1,T2>& x) {OUT(x.fi,' ',x.se);}
template<class T> void OUT(const vector<T>& x) {RE(i,x.size()) OUT(i==0?"":" ",x[i]);}
template<class... T> void OUTL(const T&... t) {OUT(t..., "\n"); }
template<class H> void OUTLS(const H& h) {OUTL(h); }
template<class H, class... T> void OUTLS(const H& h, const T&... t) {OUT(h,' '); OUTLS(t...); }
 
// dp
template<class T> bool ckmin(T&a, T&b) { bool bl = a > b; a = min(a,b); return bl;}
template<class T> bool ckmax(T&a, T&b) { bool bl = a < b; a = max(a,b); return bl;}
 
void program();
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    program();
}
 
 
//===================//
//   begin program   //
//===================//
 
const int MX = 5e5;
const int N = (1<<20);

int n, k, mod;
int l[MX], g[MX];
int sl[MX];
int gemCnt[MX];
int mxGemCnt[MX];
int used[MX];

void program() {
    IN(n,k,mod);
    RE(i,n) IN(l[i], g[i]), g[i]--;
    RE(i,n) sl[i] = i;
    sort(sl,sl+n,[](int i, int j) {
        return l[i]<l[j];
    });

    // initial gem cnt
    RE(i,k) gemCnt[i] = used[i] = 0;
    RE(i,n) gemCnt[g[i]]++;

    int lb=n-1;
    int ans=0;
    int needsUpdate=1;
    REV(i,0,n) {
        int cg = g[sl[i]];
        while(lb != -1 && l[sl[lb]]*2 > l[sl[i]]) {
            gemCnt[g[sl[lb]]]--;
            lb--;
        }
        RE(j,k) mxGemCnt[j] = max(mxGemCnt[j], gemCnt[j]);
        bool newBig = mxGemCnt[cg] < gemCnt[cg] + 1;
        if(needsUpdate && used[cg] == 0) {
            ll ways = 1;
            if(newBig) gemCnt[cg]--;
            RE(j,k)
                ways = (ways*ll(used[j] ? 1 : gemCnt[j]+1))%mod;
            if(newBig) gemCnt[cg]++;
            ans = (ans+ways)%mod;
            needsUpdate = 0;
        }
        if(newBig) {
            mxGemCnt[cg]++;
            ll ways = 1;
            RE(j,k)
                if(j != cg)
                    ways = (ways*ll(gemCnt[j]+1))%mod;
            ans = (ans+ways)%mod;
        }
        if(used[cg] == 0) {
            needsUpdate = 1;
            used[cg] = 1;
        }
    }

    OUTL(ans);
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct

Subtask #2
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct

Subtask #3
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct

Subtask #5
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Incorrect 1 ms 332 KB Output isn't correct

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Incorrect 189 ms 6560 KB Output isn't correct

Subtask #7
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct

Subtask #8
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 460 KB Output isn't correct

Subtask #9
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 125 ms 3028 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 420 KB Output is correct
2 Incorrect 19 ms 460 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #11
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 634 ms 4264 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #12
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1103 ms 6544 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #13
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1395 ms 4292 KB Output is correct
2 Execution timed out 3037 ms 6632 KB Time limit exceeded

Subtask #14
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3066 ms 6084 KB Time limit exceeded

Subtask #15
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3077 ms 6724 KB Time limit exceeded

Subtask #16
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3070 ms 5912 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #17
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3058 ms 7652 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #18
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3014 ms 7668 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #19
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3032 ms 8888 KB Time limit exceeded
2 Halted 0 ms 0 KB -