oj.uz

Submission #43511

# Submission time Handle Problem Language Result Execution time Memory
43511 2018-03-17T06:51:41 Z grumpy_gordon Modsum (NOI12_modsum) C++14
25 / 25
 2 ms 820 KB 
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#include <bits/stdc++.h>

//#pragma GCC optimize("O3")
//#pragma GCC optimize("Ofast,no-stack-protector")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx")
//#pragma GCC target("avx,tune=native")
//float __attribute__((aligned(32)))

using namespace std;

typedef long long ll;

typedef unsigned long long ull;

typedef long double ld;

typedef unsigned int uint;

int mysqrt(ll x){
    int l = 0, r = 1e9 + 1;
    while (r - l > 1){
        int m = (l + r) / 2;
        if (m * (ll)m <= x)
            l = m;
        else
            r = m;
    }
    return l;
}

mt19937 rnd(1337);

mt19937_64 rndll(12365);

ll AR = 19, BR = 13, CR = 23, XR = 228, YR = 322, MODR = 1e9 + 993;

ll myrand(){
    ll ZR = (XR * AR + YR * BR + CR) % MODR;
    XR = YR;
    YR = ZR;
    return ZR;
}

const int Mod = 1e9 + 7;

int bpow(int x, int y){
    if (y == 0)
        return 1;
    if (y == 1)
        return x;
    int ret = bpow(x, y >> 1);
    ret = (ret * (ll)ret) % Mod;
    if (y & 1)
        ret = (ret * (ll)x) % Mod;
    return ret;
}

int bdiv(int x, int y){
    return (x * (ll)bpow(y, Mod - 2)) % Mod;
}

void setmin(int &x, int y){
    x = min(x, y);
}

void setmax(int &x, int y){
    x = max(x, y);
}

void setmin(ll &x, ll y){
    x = min(x, y);
}

void setmax(ll &x, ll y){
    x = max(x, y);
}

int gcd(int a, int b){
    return a ? gcd(b % a, a) : b;
}

const ll llinf = 2e18 + 100;

const double eps = 1e-9;

const int maxn = 1e5 + 100, maxw = 1e6 + 100, inf = 2e9 + 100, sq = 300, mod = 1e9 + 7, LG = 17;

int q[2][5];

int main()
{
    #ifdef ONPC
    //ifstream cin("a.in");
    //ofstream cout("a.out");
    freopen("a.in", "r", stdin);
    freopen("a.out", "w", stdout);
    #else
    //ifstream cin("gymnasts.in");
    //ofstream cout("gymnasts.out");
    //freopen("post.in", "r", stdin);
    //freopen("post.out", "w", stdout);
    #endif // ONPC
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    q[0][0] = 1;
    int n;
    cin >> n;
    while (n--){
        int L, R;
        cin >> L >> R;
        for (int i = L; i <= R; i++)
            for (int j = 0; j < 5; j++)
                q[1][(j + i) % 5] += q[0][j];
/*        for (int o = 0; o < 5; o++){
            int l = L, r = R;
            if (l % 5 <= o)
                l += o - l % 5;
            else
                l += o + 5 - l % 5;
            if (r % 5 >= o)
                r -= r % 5 - o;
            else
                r -= r % 5 - 5 + o;
            int cnt = (l <= r ? (r - l + 5) / 5 : 0);
            for (int i = 0; i < 5; i++)
                q[1][(i + o) % 5] += q[0][i] * cnt;
        }
*/        for (int i = 0; i < 5; i++)
            q[0][i] = q[1][i], q[1][i] = 0;
    }
    int ans = 0;
    for (int i = 0; i < 5; i++)
        ans += q[0][i] * ((i * i * i * i + 2 * i * i) % 5 + 1);
    cout << ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 352 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 404 KB Output is correct
2 Correct 2 ms 404 KB Output is correct
3 Correct 2 ms 496 KB Output is correct
4 Correct 2 ms 604 KB Output is correct
5 Correct 2 ms 656 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 660 KB Output is correct
2 Correct 2 ms 660 KB Output is correct
3 Correct 2 ms 720 KB Output is correct
4 Correct 2 ms 720 KB Output is correct
5 Correct 2 ms 728 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 732 KB Output is correct
2 Correct 2 ms 732 KB Output is correct
3 Correct 2 ms 736 KB Output is correct
4 Correct 2 ms 740 KB Output is correct
5 Correct 2 ms 760 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 764 KB Output is correct
2 Correct 2 ms 768 KB Output is correct
3 Correct 2 ms 772 KB Output is correct
4 Correct 2 ms 796 KB Output is correct
5 Correct 2 ms 820 KB Output is correct