CSES - Aalto Competitive Programming 2024 - wk1 - Wed - Results
Submission details
Task:Scorpion and frogs
Sender:aalto2024a_001
Submission time:2024-09-04 17:43:28 +0300
Language:C++ (C++17)
Status:READY
Result:ACCEPTED
Test results
testverdicttime
#1ACCEPTED0.00 sdetails
#2ACCEPTED0.00 sdetails
#3ACCEPTED0.00 sdetails
#4ACCEPTED0.00 sdetails
#5ACCEPTED0.00 sdetails
#6ACCEPTED0.00 sdetails
#7ACCEPTED0.00 sdetails
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#12ACCEPTED0.00 sdetails
#13ACCEPTED0.00 sdetails
#14ACCEPTED0.00 sdetails
#15ACCEPTED0.00 sdetails
#16ACCEPTED0.00 sdetails
#17ACCEPTED0.00 sdetails
#18ACCEPTED0.00 sdetails
#19ACCEPTED0.00 sdetails
#20ACCEPTED0.00 sdetails
#21ACCEPTED0.00 sdetails
#22ACCEPTED0.00 sdetails
#23ACCEPTED0.00 sdetails
#24ACCEPTED0.00 sdetails
#25ACCEPTED0.00 sdetails
#26ACCEPTED0.00 sdetails
#27ACCEPTED0.00 sdetails
#28ACCEPTED0.00 sdetails
#29ACCEPTED0.00 sdetails
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#31ACCEPTED0.00 sdetails
#32ACCEPTED0.00 sdetails
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#35ACCEPTED0.00 sdetails
#36ACCEPTED0.00 sdetails
#37ACCEPTED0.00 sdetails
#38ACCEPTED0.00 sdetails
#39ACCEPTED0.00 sdetails
#40ACCEPTED0.00 sdetails
#41ACCEPTED0.00 sdetails
#42ACCEPTED0.00 sdetails
#43ACCEPTED0.00 sdetails
#44ACCEPTED0.00 sdetails
#45ACCEPTED0.00 sdetails
#46ACCEPTED0.00 sdetails
#47ACCEPTED0.00 sdetails
#48ACCEPTED0.00 sdetails
#49ACCEPTED0.00 sdetails
#50ACCEPTED0.00 sdetails
#51ACCEPTED0.00 sdetails
#52ACCEPTED0.00 sdetails
#53ACCEPTED0.00 sdetails
#54ACCEPTED0.00 sdetails
#55ACCEPTED0.01 sdetails

Code

#ifdef ONPC
    #define _GLIBCXX_DEBUG
#endif
#include <bits/stdc++.h>

#define char unsigned char
#define rep(i, a, b) for(int i=a; i< (b); ++i)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
#define eb emplace_back
#define mp make_pair
#define mt make_tuple
#define fi first
#define se second
#define pb push_back

#define LSOne(S) ((S) & -(S))

using namespace std;
// mt19937 rnd(239);
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());

typedef long long C;
typedef complex<C> P;
#define X real()
#define Y imag()

template<class T>
istream& operator>> (istream& is, complex<T>& p) {
    T value;
    is >> value;
    p.real(value);
    is >> value;
    p.imag(value);
    return is;
}

typedef long long ll;
typedef long double ld;

using pi = pair<ll, ll>;
using vi = vector<ll>;
template <class T>
using pq = priority_queue<T>;
template <class T>
using pqg = priority_queue<T, vector<T>, greater<T>>;

int popcnt(int x) { return __builtin_popcount(x); }
int popcnt(ll x) { return __builtin_popcountll(x); }

#define MIN(v) *min_element(all(v))
#define MAX(v) *max_element(all(v))
#define LB(c, x) distance((c).begin(), lower_bound(all(c), (x)))
#define UB(c, x) distance((c).begin(), upper_bound(all(c), (x)))

void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ", "; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? ", " : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifdef DEBUG
#define dbg(x...) cerr << "\e[91m"<<__func__<<":"<<__LINE__<<" [" << #x << "] = ["; _print(x); cerr << "\e[39m" << endl;
#else
#define dbg(x...)
#endif

template<typename S, typename T = S> void chmin(S &s, T t) {s = s < t ? s : t;}
template<typename S, typename T = S> void chmax(S &s, T t) {s = s > t ? s : t;}

const int INF = 1e9; // 10^9 = 1B is < 2^31-1
const ll LLINF = 4e18; // 4*10^18 is < 2^63-1
const double EPS = 1e-9;
const ll MOD = 998244353;

const int N=1e5+10;
ll pref[N];
ll fib[N];

int solve() {
    int n; std::cin >> n;
    
    fib[0]=1;
    fib[1]=1;
    for (int i = 2; i <= n+1; i++) {
        fib[i]=(fib[i-1]+fib[i-2])%MOD;
    }


    if(false) {
    for (int i = 0; i <= n+1; i++) {
        std::cout << fib[i] << " ";
    }
    }
    std::cout << fib[n+1] << std::endl;
    //std::cout << fib[n+1] << " " << fib[n] << std::endl;
    //std::cout << fib[n+1]+fib[n]+1 << std::endl;




    return 0;
    pref[0]=1;
    pref[1]=1;

    ll res=0;
    for (int i = 2; i <= n+1; i++) {
        res+=pref[i-2];
        pref[i]=(pref[i-1]+res+1)%MOD;
    }

    for (int i = 0; i <= 10; i++) {
        std::cout << pref[i] << " ";
    }
    std::cout  << std::endl;

    std::cout << pref[n+1]+pref[n] << std::endl;
    //std::cout << res << std::endl;


    return 0;
}

int32_t main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int TET = 1;
    //cin >> TET;
    for (int i = 1; i <= TET; i++) {
        #ifdef ONPC
            cout << "TEST CASE#" << i << endl;
        #endif
        
        if (solve()) {
            break;
        }

        #ifdef ONPC
            cout << "__________________________" << endl;
        #endif
    }
    #ifdef ONPC
        cerr << endl << "finished in " << clock() * 1.0 / CLOCKS_PER_SEC << " sec" << endl;
    #endif
}

Test details

Test 1

Verdict: ACCEPTED

input
1

correct output
2

user output
2

Test 2

Verdict: ACCEPTED

input
2

correct output
3

user output
3

Test 3

Verdict: ACCEPTED

input
3

correct output
5

user output
5

Test 4

Verdict: ACCEPTED

input
4

correct output
8

user output
8

Test 5

Verdict: ACCEPTED

input
5

correct output
13

user output
13

Test 6

Verdict: ACCEPTED

input
6

correct output
21

user output
21

Test 7

Verdict: ACCEPTED

input
7

correct output
34

user output
34

Test 8

Verdict: ACCEPTED

input
8

correct output
55

user output
55

Test 9

Verdict: ACCEPTED

input
9

correct output
89

user output
89

Test 10

Verdict: ACCEPTED

input
10

correct output
144

user output
144

Test 11

Verdict: ACCEPTED

input
11

correct output
233

user output
233

Test 12

Verdict: ACCEPTED

input
12

correct output
377

user output
377

Test 13

Verdict: ACCEPTED

input
13

correct output
610

user output
610

Test 14

Verdict: ACCEPTED

input
14

correct output
987

user output
987

Test 15

Verdict: ACCEPTED

input
15

correct output
1597

user output
1597

Test 16

Verdict: ACCEPTED

input
16

correct output
2584

user output
2584

Test 17

Verdict: ACCEPTED

input
17

correct output
4181

user output
4181

Test 18

Verdict: ACCEPTED

input
18

correct output
6765

user output
6765

Test 19

Verdict: ACCEPTED

input
19

correct output
10946

user output
10946

Test 20

Verdict: ACCEPTED

input
20

correct output
17711

user output
17711

Test 21

Verdict: ACCEPTED

input
30

correct output
2178309

user output
2178309

Test 22

Verdict: ACCEPTED

input
40

correct output
267914296

user output
267914296

Test 23

Verdict: ACCEPTED

input
50

correct output
9216450

user output
9216450

Test 24

Verdict: ACCEPTED

input
60

correct output
865709054

user output
865709054

Test 25

Verdict: ACCEPTED

input
70

correct output
659095774

user output
659095774

Test 26

Verdict: ACCEPTED

input
80

correct output
343522908

user output
343522908

Test 27

Verdict: ACCEPTED

input
90

correct output
666203437

user output
666203437

Test 28

Verdict: ACCEPTED

input
100

correct output
741707250

user output
741707250

Test 29

Verdict: ACCEPTED

input
200

correct output
319277240

user output
319277240

Test 30

Verdict: ACCEPTED

input
300

correct output
12089690

user output
12089690

Test 31

Verdict: ACCEPTED

input
400

correct output
356073916

user output
356073916

Test 32

Verdict: ACCEPTED

input
500

correct output
831535149

user output
831535149

Test 33

Verdict: ACCEPTED

input
600

correct output
627858041

user output
627858041

Test 34

Verdict: ACCEPTED

input
700

correct output
894762479

user output
894762479

Test 35

Verdict: ACCEPTED

input
800

correct output
695610340

user output
695610340

Test 36

Verdict: ACCEPTED

input
900

correct output
120428339

user output
120428339

Test 37

Verdict: ACCEPTED

input
1000

correct output
506723686

user output
506723686

Test 38

Verdict: ACCEPTED

input
2000

correct output
118272245

user output
118272245

Test 39

Verdict: ACCEPTED

input
3000

correct output
50602578

user output
50602578

Test 40

Verdict: ACCEPTED

input
4000

correct output
38687300

user output
38687300

Test 41

Verdict: ACCEPTED

input
5000

correct output
644069919

user output
644069919

Test 42

Verdict: ACCEPTED

input
6000

correct output
905964874

user output
905964874

Test 43

Verdict: ACCEPTED

input
7000

correct output
917351342

user output
917351342

Test 44

Verdict: ACCEPTED

input
8000

correct output
606465604

user output
606465604

Test 45

Verdict: ACCEPTED

input
9000

correct output
676429656

user output
676429656

Test 46

Verdict: ACCEPTED

input
10000

correct output
634342956

user output
634342956

Test 47

Verdict: ACCEPTED

input
20000

correct output
215568895

user output
215568895

Test 48

Verdict: ACCEPTED

input
30000

correct output
54808147

user output
54808147

Test 49

Verdict: ACCEPTED

input
40000

correct output
242971895

user output
242971895

Test 50

Verdict: ACCEPTED

input
50000

correct output
575576968

user output
575576968

Test 51

Verdict: ACCEPTED

input
60000

correct output
923159168

user output
923159168

Test 52

Verdict: ACCEPTED

input
70000

correct output
621454924

user output
621454924

Test 53

Verdict: ACCEPTED

input
80000

correct output
562709198

user output
562709198

Test 54

Verdict: ACCEPTED

input
90000

correct output
389404104

user output
389404104

Test 55

Verdict: ACCEPTED

input
100000

correct output
66655788

user output
66655788