#define DEBUG 0
#include <bits/stdc++.h>
using namespace std;
#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}
// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
public:
template<typename T>
_Debug& operator,(T val) {
cout << val << endl;
return *this;
}
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif
// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back
// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;
// ---------- END OF TEMPLATE ----------
int d[250000];
priority_queue<pii> H;
int tree[1 << 19];
int build(int s,int e,int i) {
if (s == e) {
tree[i] = d[s];
return tree[i];
}
int mid = (s+e) / 2;
tree[i] = max(build(s,mid,2*i+1),build(mid+1,e,2*i+2));
return tree[i];
}
int update(int s,int e,int ai,int i,int num) {
if ((s > ai) || (e < ai)) return tree[i];
else if (s == e) {
tree[i] = d[s] = num;
return tree[i];
}
int mid = (s+e) / 2;
tree[i] = max(update(s,mid,ai,2*i+1,num),update(mid+1,e,ai,2*i+2,num));
return tree[i];
}
int query(int s,int e,int qs,int qe,int i) {
if ((s > qe) || (e < qs)) return 0;
else if ((s >= qs) && (e <= qe)) return tree[i];
int mid = (s+e) / 2;
return max(query(s,mid,qs,qe,2*i+1),query(mid+1,e,qs,qe,2*i+2));
}
int main() {
int i,j;
int N,Q,a;
char c;
int p,e,b;
scanf("%d %d",&N,&a),a--;
for (i = 0; i < N; i++) scanf("%d",&d[i]),H.push(mp(d[i],i));
scanf("%d",&Q);
build(0,N-1,0);
for (i = 0; i < Q; i++) {
scanf(" %c",&c);
if (c == 'E') {
scanf("%d %d",&p,&e),p--;
vpii v;
for (j = 0; j < e-1; j++) {
while (d[H.top().second] != H.top().first) H.pop();
v.pb(H.top()),H.pop();
}
update(0,N-1,p,0,(e == 1) ? N+i+1:v.back().first);
H.push(mp(d[p],p));
for (j = 0; j < v.size(); j++) update(0,N-1,v[j].second,0,v[j].first+1),H.push(mp(v[j].first+1,v[j].second));
}
else {
scanf("%d",&b),b--;=
if (a == b) printf("0\n");
else if (a < b) {
int x = query(0,N-1,a+1,b,0);
int l = 0,r = a;
while (l < r) {
int m = (l+r) / 2;
if (query(0,N-1,m,a-1,0) <= x) r = m;
else l = m+1;
}
printf("%d\n",b-l);
}
else {
int x = query(0,N-1,b,a-1,0);
int l = a,r = N-1;
while (l < r) {
int m = (l+r+1) / 2;
if (query(0,N-1,a+1,m,0) <= x) l = m;
else r = m-1;
}
printf("%d\n",l-b);
}
}
}
return 0;
}
Compilation message
cake.cpp: In function 'int main()':
cake.cpp:109:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (j = 0; j < v.size(); j++) update(0,N-1,v[j].second,0,v[j].first+1),H.push(mp(v[j].first+1,v[j].second));
~~^~~~~~~~~~
cake.cpp:112:32: error: expected primary-expression before '=' token
scanf("%d",&b),b--;=
^
cake.cpp:113:13: error: expected primary-expression before 'if'
if (a == b) printf("0\n");
^~
cake.cpp:114:13: error: 'else' without a previous 'if'
else if (a < b) {
^~~~
cake.cpp:94:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d",&N,&a),a--;
~~~~~~~~~~~~~~~~~~~~^~~~
cake.cpp:95:46: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for (i = 0; i < N; i++) scanf("%d",&d[i]),H.push(mp(d[i],i));
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
cake.cpp:96:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&Q);
~~~~~^~~~~~~~~
cake.cpp:99:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf(" %c",&c);
~~~~~^~~~~~~~~~
cake.cpp:101:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d",&p,&e),p--;
~~~~~~~~~~~~~~~~~~~~^~~~
cake.cpp:112:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&b),b--;=
~~~~~~~~~~~~~~^~~~
