#include<bits/stdc++.h>
using namespace std;
using I=int;
const I N=1000;
#ifdef ETHANKIM8683
void Init(I,I[]);
I Query(I,I);
I Secret(I x,I y){
return x+y;
}
I main(){
I n,q;cin>>n>>q;
I a_arr[n];
for(I i=0;i<n;i++)cin>>a_arr[i];
Init(n,a_arr);
while(q--){
I l,r;cin>>l>>r;
printf("%i\n",Query(l-1,r-1));
}
}
#else
#include"secret.h"
#endif
I*a_arr;
vector<I>vals[2*N];
I n;
void slv(I i=1,I l=0,I r=n-1){
if(l>r)return;
I m=l+(r-l)/2;
vals[i].resize(r-l+1);
if(m>=l)vals[i][m-l]=a_arr[m];
if(m+1<=r)vals[i][m+1-l]=a_arr[m+1];
for(I j=m;j-1>=l;j--)vals[i][j-1-l]=Secret(vals[i][j-l],a_arr[j-1]);
for(I j=m+1;j+1<=r;j++)vals[i][j+1-l]=Secret(vals[i][j-l],a_arr[j+1]);
slv(i<<1,l,m-1),slv(i<<1|1,m+1,r);
}
I qry(I l1,I r1,I i=1,I l2=0,I r2=n-1){
I m=l2+(r2-l2)/2;
if(r1<m)return qry(l1,r1,i<<1,l2,m-1);
if(l1>m)return qry(l1,r1,i<<1|1,m+1,r2);
return r1==m?vals[i][l1-l2]:Secret(vals[i][l1-l2],vals[i][r1-l2]);
}
void Init(I _n,I _a_arr[]){
n=_n,a_arr=_a_arr,slv();
}
I Query(I l,I r){
return qry(l,r);
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
111 ms |
2348 KB |
Wrong Answer: Query(222, 254) - expected : 34031541, actual : 268854015. |
2 |
Incorrect |
118 ms |
2380 KB |
Wrong Answer: Query(60, 375) - expected : 669221184, actual : 311474560. |
3 |
Incorrect |
117 ms |
2404 KB |
Wrong Answer: Query(211, 401) - expected : 674373968, actual : 353554500. |
4 |
Incorrect |
443 ms |
4376 KB |
Wrong Answer: Query(90, 497) - expected : 397934825, actual : 343081568. |
5 |
Incorrect |
444 ms |
4324 KB |
Wrong Answer: Query(587, 915) - expected : 752404486, actual : 957013316. |
6 |
Incorrect |
444 ms |
4344 KB |
Wrong Answer: Query(738, 741) - expected : 983692994, actual : 850129153. |
7 |
Incorrect |
453 ms |
4388 KB |
Wrong Answer: Query(84, 976) - expected : 742463504, actual : 675449873. |
8 |
Incorrect |
443 ms |
4356 KB |
Wrong Answer: Query(58, 987) - expected : 20022464, actual : 273091792. |
9 |
Incorrect |
442 ms |
4468 KB |
Wrong Answer: Query(33, 967) - expected : 676869696, actual : 827853577. |
10 |
Incorrect |
461 ms |
4332 KB |
Wrong Answer: Query(116, 961) - expected : 68487362, actual : 337854787. |