# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
98701 | Dat160601 | Relativnost (COCI15_relativnost) | C++17 | 4080 ms | 23260 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define pb push_back
#define fi first
#define se second
const int N = 1e5 + 7, mod = 10007;
struct node{
int ret[21];
} it[4 * N];
int n, c, q, a, b, x;
int pa[N], pb[N];
void add(int &a, int b){
a += b;
a %= mod;
}
node merge(node a, node b){
node res;
for(int i = 0; i <= c; i++) res.ret[i] = 0;
for(int i = 0; i <= c; i++){
for(int j = 0; j <= c; j++){
add(res.ret[min(c, i + j)], a.ret[i] * b.ret[j]);
}
}
return res;
}
void update(int k, int l, int r, int pos, int a, int b){
if(l > pos || r < pos) return;
if(l == r){
for(int i = 0; i <= c; i++) it[k].ret[i] = 0;
it[k].ret[0] = b;
it[k].ret[1] = a;
return;
}
int mid = (l + r) >> 1;
update(k << 1, l, mid, pos, a, b);
update(k << 1 | 1, mid + 1, r, pos, a, b);
it[k] = merge(it[k << 1], it[k << 1 | 1]);
}
int main(){
scanf("%d %d", &n, &c);
for(int i = 1; i <= n; i++) scanf("%d", &pa[i]), pa[i] %= mod;
for(int i = 1; i <= n; i++){
scanf("%d", &pb[i]), pb[i] %= mod;
update(1, 1, n, i, pa[i], pb[i]);
}
scanf("%d", &q);
while(q --){
scanf("%d %d %d", &x, &a, &b);
a %= mod, b %= mod;
update(1, 1, n, x, a, b);
printf("%d\n", it[1].ret[c]);
}
}
Compilation message (stderr)
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