#include <cstdio>
#include <vector>
#include <algorithm>
using namespace std;
struct node{
int s, e, m, v, i;
node *l, *r;
node(int _s, int _e): s(_s), e(_e), m((_s+_e)/2), v(0), i(_s){
if(_s<_e){
l=new node(s, m);
r=new node(m+1, e);
}
}
void update(int index, int val){
if(s==e){
v=val;
}
else{
if(index<=m){
l->update(index, val);
}
else{
r->update(index, val);
}
if(l->v>r->v){
v=l->v;
i=l->i;
}
else{
v=r->v;
i=r->i;
}
}
}
int query(int si, int ei){
if(si==s&&ei==e){
return v;
}
if(ei<=m){
return l->query(si, ei);
}
if(si>m){
return r->query(si, ei);
}
return max(l->query(si, m), r->query(m+1, ei));
}
int query2(int val, int dir){
if(s==e){
return s;
}
if(dir==1){
if(l->v<val){
return r->query2(val, dir);
}
return l->query2(val, dir);
}
if(r->v<val){
return l->query2(val, dir);
}
return r->query2(val, dir);
}
};
int main(){
int N, a;
scanf("%d%d", &N, &a);
int d[N+1];
vector<pair<int, int> > best;
node *lst=new node(0, a-1);
node *rst=new node(a+1, N+1);
for(int i=1;i<N+1;i++){
scanf("%d", &d[i]);
best.push_back(make_pair(-d[i], i));
if(i<a){
lst->update(i, d[i]);
}
else{
rst->update(i, d[i]);
}
}
sort(best.begin(), best.end());
while(best.size()>10){
best.pop_back();
}
int Q;
scanf("%d", &Q);
while(Q--){
char op;
scanf("\n%c", &op);
if(op=='E'){
int i, e;
scanf("%d%d", &i, &e);
if(N==1){
continue;
}
e--;
for(int j=0;j<best.size();j++){
if(best[j].first==-d[i]){
best.erase(best.begin()+j);
break;
}
}
for(int j=0;j<e;j++){
if(best[j].second<a){
lst->update(best[j].second, -(--best[j].first));
}
else{
rst->update(best[j].second, -(--best[j].first));
}
d[best[j].second]++;
}
d[i]=(e>0?d[best[e-1].second]-1:d[best[e+1].second]+1);
best.insert(best.begin()+e, make_pair(-d[i], i));
if(best.size()>10){
best.pop_back();
}
if(i<a){
lst->update(i, d[i]);
}
else{
rst->update(i, d[i]);
}
}
else{
int b;
scanf("%d", &b);
if(b<a){
printf("%d\n", rst->query2(lst->query(b, a-1), 1)-1-b);
}
else if(b>a){
printf("%d\n", b-1-lst->query2(rst->query(a+1, b), -1));
}
else{
printf("0\n");
}
}
}
return 0;
}
Compilation message
cake.cpp: In function 'int main()':
cake.cpp:98:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int j=0;j<best.size();j++){
~^~~~~~~~~~~~
cake.cpp:67:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &N, &a);
~~~~~^~~~~~~~~~~~~~~~
cake.cpp:73:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &d[i]);
~~~~~^~~~~~~~~~~~~
cake.cpp:87:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &Q);
~~~~~^~~~~~~~~~
cake.cpp:90:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("\n%c", &op);
~~~~~^~~~~~~~~~~~~
cake.cpp:93:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &i, &e);
~~~~~^~~~~~~~~~~~~~~~
cake.cpp:127:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &b);
~~~~~^~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
372 ms |
1500 KB |
Output is correct |
| 2 |
Incorrect |
226 ms |
1656 KB |
Output isn't correct |
| 3 |
Correct |
249 ms |
1536 KB |
Output is correct |
| 4 |
Incorrect |
174 ms |
1536 KB |
Output isn't correct |
| 5 |
Correct |
402 ms |
3344 KB |
Output is correct |
| 6 |
Incorrect |
310 ms |
3320 KB |
Output isn't correct |
| 7 |
Correct |
297 ms |
3320 KB |
Output is correct |
| 8 |
Incorrect |
235 ms |
3200 KB |
Output isn't correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
152 ms |
11708 KB |
Output is correct |
| 2 |
Incorrect |
116 ms |
11572 KB |
Output isn't correct |
| 3 |
Incorrect |
106 ms |
11500 KB |
Output isn't correct |
| 4 |
Correct |
2 ms |
256 KB |
Output is correct |
| 5 |
Correct |
252 ms |
27624 KB |
Output is correct |
| 6 |
Correct |
249 ms |
27596 KB |
Output is correct |
| 7 |
Incorrect |
173 ms |
27240 KB |
Output isn't correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
35 ms |
800 KB |
Output isn't correct |
| 2 |
Incorrect |
30 ms |
1016 KB |
Output isn't correct |
| 3 |
Incorrect |
106 ms |
5940 KB |
Output isn't correct |
| 4 |
Incorrect |
129 ms |
5860 KB |
Output isn't correct |
| 5 |
Incorrect |
99 ms |
888 KB |
Output isn't correct |
| 6 |
Incorrect |
192 ms |
7948 KB |
Output isn't correct |
| 7 |
Incorrect |
166 ms |
2040 KB |
Output isn't correct |
| 8 |
Correct |
239 ms |
11120 KB |
Output is correct |
| 9 |
Incorrect |
1055 ms |
28904 KB |
Output isn't correct |
| 10 |
Incorrect |
341 ms |
1740 KB |
Output isn't correct |
| 11 |
Incorrect |
633 ms |
4212 KB |
Output isn't correct |
| 12 |
Correct |
1044 ms |
23544 KB |
Output is correct |
| 13 |
Correct |
669 ms |
28648 KB |
Output is correct |
