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#include <stdio.h>
int arr[2001][2001];
int N;
int M;
int main(void) {
scanf("%d", &N);
for(int i=0; i<N; i++){
scanf("%d", &arr[0][i+1]);
arr[i+1][0] = arr[0][i+1];
}
/*
printf("arr1\n");
for(int i=0; i<=N; i++){
for(int k=0; k<=N; k++){
printf(" %d ", arr[i][k]);
}
printf("\n");
}
printf("\n");
*/
for(int i=1; i<=N; i++){
for(int j=1; j<=N; j++){
arr[i][j] = 0;
}
}
for(int i=0; i<N; i++){
for(int k=1; k<=N-i; k++){
if(i==0){
arr[k][i+k] = 1;
}else if(i==1){
if(arr[k][0] == arr[0][i+k]){
arr[k][i+k] = 1;
}
}else{
if(arr[k+1][i+k-1]==1 && arr[k][0] == arr[0][k+i]){
arr[k][i+k] = 1;
}
}
}
}
/*
printf("arr2\n");
for(int i=0; i<=N; i++){
for(int k=0; k<=N; k++){
printf(" %d ", arr[i][k]);
}
printf("\n");
}
printf("\n");
*/
scanf("%d", &M);
for(int i=0; i<M; i++){
int a, b;
scanf("%d %d", &a, &b);
//printf("\n%d\n", arr[a][b]);
printf("%d\n", arr[a][b]);
}
return 0;
}
C
INFO