Submission #93647

#	Time	Username	Problem	Language	Result	Execution time	Memory
93647		ajmasin	Relativnost (COCI15_relativnost)	C++14	112 / 140	4035 ms	27156 KiB

relativnost

#include <bits/stdc++.h>
using namespace std;

#define REP(i, a, b) for(int i = a; i < b; i++)

const int maxn = 100100;
const int maxc = 25;
const int offset = (1<<17);
const int mod = 10007;

int n, c, q;

int niza[maxn];
int nizb[maxn];

int add(int a, int b)
{
    a += b;
    if(a >= mod) a -= mod;
    if(a < 0) a += mod;
    return a;
}

int mult(int a, int b)
{
    return a * b % mod;
}

struct tournament
{
    int brn[2 * offset][maxc];
    void update(int cvor)
    {
        REP(i, 0, c + 1) brn[cvor][i] = 0;
        REP(i, 0, c + 1)
        {
            REP(j, 0, c + 1)
            {
                int suma = min(i + j, c);
                brn[cvor][suma] = add(brn[cvor][suma], mult(brn[cvor * 2][i], brn[cvor * 2 + 1][j]));
            }
        }
        //REP(i, 0, c + 1) cout << brn[i][cvor] << " ";
        //cout << endl;
        return;
    }
}T;

int main()
{
    for(int i = 2 * offset - 1; i > 0; i--) T.brn[i][0] = 1;
    scanf("%d%d", &n, &c);
    int a, b;
    REP(i, 0, n)
    {
        scanf("%d", &niza[i]);
        niza[i] %= mod;
    }
    REP(i, 0, n)
    {
        scanf("%d", &nizb[i]);
        nizb[i] %= mod;
    }
    REP(i, 0, n)
    {
        T.brn[i + offset][0] = nizb[i];
        T.brn[i + offset][1] = niza[i];
        int up = (i + offset) / 2;
        while(up)
        {
            T.update(up);
            up /= 2;
        }
    }
    scanf("%d", &q);
    int p;
    REP(i, 0, q)
    {
        scanf("%d%d%d", &p, &a, &b);
        a %= mod;
        b %= mod;
        p--;
        T.brn[p + offset][0] = b;
        T.brn[p + offset][1] = a;
        p += offset;
        p /= 2;
        while(p)
        {
            T.update(p);
            p /= 2;
        }
        printf("%d\n", T.brn[1][c]);
    }
    return 0;
}

Compilation message (stderr)

relativnost.cpp: In function 'int main()':
relativnost.cpp:52:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &c);
     ~~~~~^~~~~~~~~~~~~~~~
relativnost.cpp:56:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &niza[i]);
         ~~~~~^~~~~~~~~~~~~~~~
relativnost.cpp:61:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &nizb[i]);
         ~~~~~^~~~~~~~~~~~~~~~
relativnost.cpp:75:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &q);
     ~~~~~^~~~~~~~~~
relativnost.cpp:79:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d", &p, &a, &b);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 112 / 140