#include <stdlib.h>
#include <string.h>
#include <string>
#include <algorithm>
#include <vector>
#include <stack>
#include <iostream>
#include <algorithm>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
//#include "floppy.h"
#include "floppy.h"
/*
#define NMAX 100000
#define MMAX 100000
int subtask_id, N, M;
std::vector<int> v, sorted_v;
std::vector<int> a, b;
std::vector<int> correct_answers;
// Print score to stdout and exit.
void score_and_exit(const double pts, const char *verdict) {
cout<<verdict;
cout<<endl<<pts;
exit(0);
}
// Contestant sent too many bits.
void too_many_bits() {
score_and_exit(0, "Too many stored bits!");
}
// Contestant did not send any bits.
void misformatted_stored_bits() {
score_and_exit(0, "Misformatted stored bits or save_to_floppy not called!");
}
// Contestant did not call the answer function.
void answer_not_provided() {
score_and_exit(0, "Answer not provided!");
}
// Contestant sent a wrong answer.
void wrong_answer() {
score_and_exit(0, "Wrong answer to query!");
}
// Contestant sent a correct answer.
void correct_answer() {
score_and_exit(1, "OK!");
}*/
vector<int>ans;
stack<int>st2;
int par[40005];
string biti;
vector<int>vec;
stack<int>st;
using namespace std;
vector<int> solve_queries(int subtask_id, int N,const string &bits,const vector<int> &a, const vector<int> &b)
{
int n,q,i,aux,j,poz;
n=N;
q=a.size();
poz=1;
for(i=1;i<=n;i++)
{
par[i]=0;
}
for(i=1;i<=n;i++)
{
int cnt=0,iter=0,val=0,sum=0;
while(bits[poz]=='1')
{
poz++;
cnt++;
}
if(cnt==1)
{
val=1;
iter=1;
}
if(cnt==2)
{
val=3;
iter=1;
}
if(cnt==3)
{
val=5;
iter=2;
}
if(cnt==4)
{
val=0;
iter=5;
}
if(cnt==5)
{
iter=17;
val=0;
}
sum=0;
for(j=1;j<=iter;j++)
{
poz++;
sum=sum*2+bits[poz]-'0';
}
sum+=val;
for(j=1;j<=sum;j++)
{
par[st2.top()]=i;
st2.pop();
}
st2.push(i);
poz++;
}
int l,r;
for(i=0;i<q;i++)
{
if(bits[0]=='0')
{
l=n+1-(b[i]+1);
r=n+1-(a[i]+1);
}
else
{
l=a[i]+1;
r=b[i]+1;
}
for(j=l;j<=r;j++)
{
if(par[j]>r || par[j]==0)
{
if(bits[0]=='1')
ans.push_back(j-1);
else
ans.push_back(n-j);
break;
}
}
}
return ans;
}
/*
void read_test() {
cin>>subtask_id;
cin>>N>>M;
assert(1 <= N && N <= NMAX);
assert(0 <= M && M <= MMAX);
v.resize(N);
for (int i = 0; i < N; ++i) {
assert(scanf("%d", &v[i]) == 1);
}
// Check all values are distinct.
sorted_v.resize(N);
for (int i = 0; i < N; ++i) {
sorted_v[i] = v[i];
}
std::sort(sorted_v.begin(), sorted_v.end());
for (int i = 0; i + 1 < N; ++i) {
assert(sorted_v[i] < sorted_v[i + 1]);
}
a.resize(M);
b.resize(M);
correct_answers.resize(M);
for (int i = 0; i < M; ++i) {
assert(scanf("%d%d%d", &a[i], &b[i], &correct_answers[i]) == 3);
assert(0 <= a[i] && a[i] <= correct_answers[i] &&
correct_answers[i] <= b[i] && b[i] < N);
}
}
void save_to_floppy(const std::string &bits) {
std::vector<int> contestant_answers = solve_queries(subtask_id, N, bits, a, b);
for (int i = 0; i < M; ++i) {
if (contestant_answers[i] != correct_answers[i]) {
wrong_answer();
}
}
correct_answer();
exit(0);
}*/
void read_array(int subtask_id, const vector<int> &v)
{
int n=v.size(),i;
int cnt=0;
for(i=0;i<n;i++)
{
if(v[i]>v[i-1])
{
cnt++;
}
vec.push_back(v[i]);
}
biti.push_back('1');
st.push(1e9);
for(i=0;i<n;i++)
{
cnt=0;
while(st.top()<vec[i])
{
st.pop();
cnt++;
}
st.push(vec[i]);
if(cnt==0)
{
biti.push_back('0');
}
else if(cnt<=2)
{
biti.push_back('1');
biti.push_back('0');
biti.push_back('0'+cnt-1);
}
else if(cnt<=4)
{
biti.push_back('1');
biti.push_back('1');
biti.push_back('0');
biti.push_back('0'+cnt-3);
}
else if(cnt<=8)
{
biti.push_back('1');
biti.push_back('1');
biti.push_back('1');
biti.push_back('0');
cnt=cnt-5;
biti.push_back('0'+cnt/2);
biti.push_back('0'+cnt%2);
}
else if(cnt<=31)
{
biti.push_back('1');
biti.push_back('1');
biti.push_back('1');
biti.push_back('1');
biti.push_back('0');
int pow=16;
for(pow;pow>=1;pow=pow/2)
{
biti.push_back('0'+cnt/pow);
cnt=cnt%pow;
}
}
else
{
biti.push_back('1');
biti.push_back('1');
biti.push_back('1');
biti.push_back('1');
biti.push_back('1');
biti.push_back('0');
int pow=65536;
for(pow;pow>=1;pow=pow/2)
{
biti.push_back('0'+cnt/pow);
cnt=cnt%pow;
}
}
}
save_to_floppy(biti);
}
/*
int main(int argc, char **argv) {
// Read input data.
read_test();
// Send subtask_id, v.
read_array(subtask_id, v);
answer_not_provided();
return 0;
}*/
Compilation message
floppy.cpp:54:1: error: 'vector' does not name a type
54 | vector<int>ans;
| ^~~~~~
floppy.cpp:55:1: error: 'stack' does not name a type; did you mean 'obstack'?
55 | stack<int>st2;
| ^~~~~
| obstack
floppy.cpp:57:1: error: 'string' does not name a type; did you mean 'stdin'?
57 | string biti;
| ^~~~~~
| stdin
floppy.cpp:58:1: error: 'vector' does not name a type
58 | vector<int>vec;
| ^~~~~~
floppy.cpp:59:1: error: 'stack' does not name a type; did you mean 'obstack'?
59 | stack<int>st;
| ^~~~~
| obstack
floppy.cpp: In function 'std::vector<int> solve_queries(int, int, const string&, const std::vector<int>&, const std::vector<int>&)':
floppy.cpp:113:17: error: 'st2' was not declared in this scope; did you mean 'std'?
113 | par[st2.top()]=i;
| ^~~
| std
floppy.cpp:116:9: error: 'st2' was not declared in this scope; did you mean 'std'?
116 | st2.push(i);
| ^~~
| std
floppy.cpp:137:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
137 | ans.push_back(j-1);
| ^~~
| abs
floppy.cpp:139:17: error: 'ans' was not declared in this scope; did you mean 'abs'?
139 | ans.push_back(n-j);
| ^~~
| abs
floppy.cpp:144:12: error: 'ans' was not declared in this scope; did you mean 'abs'?
144 | return ans;
| ^~~
| abs
floppy.cpp:63:15: warning: unused variable 'aux' [-Wunused-variable]
63 | int n,q,i,aux,j,poz;
| ^~~
floppy.cpp: In function 'void read_array(int, const std::vector<int>&)':
floppy.cpp:198:9: error: 'vec' was not declared in this scope
198 | vec.push_back(v[i]);
| ^~~
floppy.cpp:200:5: error: 'biti' was not declared in this scope
200 | biti.push_back('1');
| ^~~~
floppy.cpp:201:5: error: 'st' was not declared in this scope; did you mean 'std'?
201 | st.push(1e9);
| ^~
| std
floppy.cpp:205:24: error: 'vec' was not declared in this scope
205 | while(st.top()<vec[i])
| ^~~
floppy.cpp:210:17: error: 'vec' was not declared in this scope
210 | st.push(vec[i]);
| ^~~
floppy.cpp:246:17: warning: statement has no effect [-Wunused-value]
246 | for(pow;pow>=1;pow=pow/2)
| ^~~
floppy.cpp:261:17: warning: statement has no effect [-Wunused-value]
261 | for(pow;pow>=1;pow=pow/2)
| ^~~
stub.cpp: In function 'void run2()':
stub.cpp:101:30: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
101 | if (query_answers.size() != M) {
| ~~~~~~~~~~~~~~~~~~~~~^~~~
