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  1. /** 
  2.  * Dont raise your voice, improve your argument.
  3.  * --Desmond Tutu
  4.  */
  5.  
  6. #include <bits/stdc++.h>
  7. using namespace std;
  8. typedef unsigned int uint;
  9. typedef long long ll;
  10.  
  11. int main() {
  12.     int n, q;
  13.     n = 100000, q = 100000;
  14.     //cin>>n>>q;
  15.     vector<int> a(n);
  16.     vector<char> s(q);
  17.     vector<int> x(q);
  18.  
  19.     for(auto &c : a)
  20.         c = 1;
  21.         //cin>>c;
  22.  
  23.  
  24.     for(int i=0; i<q; i++) {
  25.         string str;
  26.         //cin>>str>>x[i];
  27.         str = i % 2 == 0 ? ">" : "<";
  28.         x[i] = i % 2 == 0 ? -i : i;
  29.         s[i]=str[0];
  30.     }
  31.  
  32.     for(int i=0; i<n; i++) {
  33.         if(a[i]==0)
  34.             continue;
  35.  
  36.         int la=abs(a[i]);
  37.         int j;
  38.         int flip=0;
  39.         for(j=q-1; j>=0; j--) {
  40.             if(abs(x[j])<la) {
  41.                 if(s[j]=='>') {
  42.                     a[i]=-abs(a[i]);
  43.                 } else {
  44.                     a[i]=abs(a[i]);
  45.                 }
  46. //cout<<"set a[i] at j="<<j<<" to a[i]="<<a[i]<<endl;
  47.                 j++;
  48.                 break;
  49.             } else if(abs(x[j])==la) {
  50.                 if(s[j]=='<' && x[j]>0)  {
  51.                     a[i]=abs(a[i]);
  52.                     j++;
  53.                     break;
  54.                 } else if(s[j]=='>' && x[j]<0) {
  55.                     a[i]=-abs(a[i]);
  56.                     j++;
  57.                     break;
  58.                 }
  59.             } else {
  60.                 if(s[j]=='<' && x[j]>0)
  61.                     flip++;
  62.                 else if(s[j]=='>' && x[j]<0)
  63.                     flip++;
  64.             }
  65.         }
  66. //cout<<"i="<<i<<" j="<<j<<" flip="<<flip<<endl;
  67.         if(flip%2==1)
  68.             a[i]=-a[i];
  69.  
  70. /*
  71.         for(; j<q; j++)  {
  72.             if( ((s[j]=='<') && (a[i]<x[j])) || ((s[j]=='>') && (a[i]>x[j]) )) {
  73. //cout<<"flip a[i], i="<<i<< " a[i]="<<a[i]<<endl;
  74.                 a[i]=-a[i];
  75.             }
  76.         }
  77. */
  78.     }
  79.  
  80.     for(int i=0; i<n; i++) 
  81.         cout<<a[i]<<" ";
  82.     cout<<endl;
  83.  
  84.  
  85. }
  86.  
Time limit exceeded #stdin #stdout 5s 16024KB
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https://ideone.com/a99KDf
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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