#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<ll, ll> pii;
typedef pair<ld, ld> pld;
ll n, c, q;
ll sq = 320;
ll a[100009];
ll b[100009];
ll tmp[1009][25];
ll sqdp[1009][25];
ll sqval[1009][25];
ll mod = 1e9 + 7;
void upd(ll idx){
tmp[0][0] = b[idx*sq];
tmp[0][1] = a[idx*sq];
ll i;
for(i = 1; i < sq && idx*sq+i < n; ++i){
tmp[i][0] = b[idx*sq+i]*tmp[i-1][0]%mod;
for(ll j = 1; j <= c; ++j){
tmp[i][j] = b[idx*sq+i]*tmp[i-1][j]%mod;
tmp[i][j] += a[idx*sq+i]*tmp[i-1][j-1]%mod;
tmp[i][j] %= mod;
}
tmp[i][c] += a[idx*sq+i]*tmp[i-1][c]%mod;
tmp[i][c] %= mod;
}
for(ll j = 0; j <= c; ++j){
sqval[idx][j] = tmp[i-1][j];
// cout << j << " " << tmp[i-1][j] << "\n";
}
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
//freopen("in.txt", "r", stdin);
//freopen("out.txt", "w", stdout);
cin >> n >> c;
for(ll i = 0; i < n; ++i)
cin >> a[i];
for(ll i = 0; i < n; ++i)
cin >> b[i];
cin >> q;
for(ll i = 0; i < n; i += sq)
upd(i/sq);
while(q--){
int t1, t2, t3;
cin >> t1 >> t2 >> t3;
--t1;
a[t1] = t2;
b[t1] = t3;
upd(t1/sq);
if(t1/sq == 0)
for(ll j = 0; j <= c; ++j)
sqdp[0][j] = sqval[0][j];
for(ll i = t1/sq; i*sq < n; ++i){
for(ll j = 0; j < c; ++j)
for(ll k = 0; k <= j; ++k){
sqdp[i][j] += (sqdp[i-1][k]*sqval[i][j-k])%mod;
sqdp[i][j] %= mod;
}
for(ll j = 0; j <= c; ++j)
for(ll k = c-j; k <= c; ++k){
sqdp[i][c] += sqdp[i-1][j]*sqval[i][k]%mod;
sqdp[i][c] %= mod;
}
}
cout << sqdp[(n-1)/sq][c] << "\n";
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
169 ms |
376 KB |
Output isn't correct |
| 2 |
Incorrect |
246 ms |
496 KB |
Output isn't correct |
| 3 |
Incorrect |
321 ms |
504 KB |
Output isn't correct |
| 4 |
Execution timed out |
4072 ms |
1596 KB |
Time limit exceeded |
| 5 |
Execution timed out |
4001 ms |
2076 KB |
Time limit exceeded |
| 6 |
Execution timed out |
4002 ms |
2140 KB |
Time limit exceeded |
| 7 |
Execution timed out |
4099 ms |
1828 KB |
Time limit exceeded |
| 8 |
Execution timed out |
4011 ms |
2188 KB |
Time limit exceeded |
| 9 |
Execution timed out |
4008 ms |
2028 KB |
Time limit exceeded |
| 10 |
Execution timed out |
4018 ms |
1780 KB |
Time limit exceeded |
