#include "bits/stdc++.h"
#include "secret.h"
using namespace std;
#ifndef EVAL
#include "grader.cpp"
#endif
const int M = 1000;
int a[M];
int ask(int a, int b){
if(a == -1) return b;
if(b == -1) return a;
return Secret(a, b);
}
struct ST{
int pref[M<<2][M], suff[M<<2][M];
void build(int lx = 0, int rx = M, int x = 1){
if(lx == rx) { pref[x][0] = a[lx]; return; }
int m = (lx + rx) >> 1;
pref[x][0] = a[m];
for(int i=1;i<=m-lx;i++){
pref[x][i] = ask(pref[x][i-1], a[m-i]);
}
suff[x][0] = a[m+1];
for(int i=1;i<=rx-m-1;i++){
suff[x][i] = ask(suff[x][i-1], a[m+1+i]);
}
build(lx, m, x<<1);
build(m+1, rx, x<<1|1);
}
int get(int l, int r, int lx = 0, int rx = M, int x = 1){
if(lx == rx) return a[lx];
int m = (lx + rx) >> 1;
if(r <= m) return get(l, r, lx, m, x<<1);
if(m < l) return get(l, r, m+1, rx, x<<1|1);
return ask(pref[x][m-l], suff[x][r-m-1]);
}
}tree;
void Init(int N, int A[]) {
for(int i=0;i<N;i++){
a[i] = A[i];
}
tree.build();
}
int Query(int L, int R) {
return tree.get(L, R);
}
Compilation message
secret.cpp: In function 'void Init(int, int*)':
secret.cpp:21:35: warning: array subscript 1000 is above array bounds of 'int [1000]' [-Warray-bounds]
21 | if(lx == rx) { pref[x][0] = a[lx]; return; }
| ~~~~^
secret.cpp:9:5: note: while referencing 'a'
9 | int a[M];
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
128 ms |
14212 KB |
Wrong Answer: Query(222, 254) - expected : 34031541, actual : 50679111. |
2 |
Incorrect |
116 ms |
14220 KB |
Wrong Answer: Query(60, 375) - expected : 669221184, actual : 891888096. |
3 |
Incorrect |
118 ms |
14208 KB |
Wrong Answer: Query(211, 401) - expected : 674373968, actual : 10742098. |
4 |
Incorrect |
428 ms |
16088 KB |
Wrong Answer: Query(90, 497) - expected : 397934825, actual : 560152598. |
5 |
Incorrect |
440 ms |
16124 KB |
Wrong Answer: Query(587, 915) - expected : 752404486, actual : 497583184. |
6 |
Incorrect |
435 ms |
16088 KB |
Wrong Answer: Query(738, 741) - expected : 983692994, actual : 302576192. |
7 |
Incorrect |
428 ms |
16148 KB |
Wrong Answer: Query(84, 976) - expected : 742463504, actual : 657493000. |
8 |
Incorrect |
428 ms |
16236 KB |
Wrong Answer: Query(58, 987) - expected : 20022464, actual : 764569728. |
9 |
Incorrect |
455 ms |
16132 KB |
Wrong Answer: Query(33, 967) - expected : 676869696, actual : 277877441. |
10 |
Incorrect |
429 ms |
16068 KB |
Wrong Answer: Query(116, 961) - expected : 68487362, actual : 69725386. |