Submission #87004

#	Time	Username	Problem	Language	Result	Execution time	Memory
87004		abil	Weighting stones (IZhO11_stones)	C++14	0 / 100	2 ms	376 KiB

stones

/**
   Solution by Abil
**/
#include <bits/stdc++.h>

using namespace std;

vector<int > v1,v2;
vector<int > :: iterator it;

int fun(int qw){
  int f = 0;
  if(v1.size() == v2.size()){
    bool bl = true;
    for(int i = 0;i < v1.size(); i++){
        if(v1[i] < v2[i]){
          bl = false;
          break;
        }
    }
    if(bl){
      f = 1;
    }
    bl = true;
    for(int i = 0;i < v1.size(); i++){
        if(v1[i] > v2[i]){
          bl = false;
          break;
        }
    }
    if(bl){
      f = 2;
    }
  }
  else{
    int cnt1 = 0,cnt2 = 0,in = 0;
    for(int i = 0;i < v1.size(); i++){
      if(v1[i] > v2[in] && in < v2.size()){
        cnt1++;
        in++;
      }
    }
    in = 0;
    for(int i = 0;i < v2.size(); i++){
      if(v1[in] < v2[i] && in < v1.size()){
        cnt2++;
        in++;
      }
    }
    if(cnt1 > cnt2){
      f = 1;
    }
    if(cnt2 > cnt1){
      f = 2;
    }
  }
  return f;
}
int main()
{
    freopen("stones.in", "r", stdin);
    freopen("stones.out", "w", stdout);
    v1.push_back(0);
    v2.push_back(0);
    int n,ans1 = 0,ans2 = 0;
    cin >> n;
    int ves,dir;
    while(n--){
      cin >> ves >> dir;
      if(dir == 1){
        it = lower_bound(v1.begin(),v1.end(),ves);
        v1.insert(it,ves);
      }
      else{
        it = lower_bound(v2.begin(),v2.end(),ves);
        v2.insert(it,ves);
      }
      int f = fun(1);
      if(f == 0){
        cout << "?" << endl;
      }
      else
      if(f == 1){
        cout << ">" << endl;
      }
      else{
        cout << "<" << endl;
      }
    }
}

Compilation message (stderr)

stones.cpp: In function 'int fun(int)':
stones.cpp:15:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0;i < v1.size(); i++){
                   ~~^~~~~~~~~~~
stones.cpp:25:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0;i < v1.size(); i++){
                   ~~^~~~~~~~~~~
stones.cpp:37:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0;i < v1.size(); i++){
                   ~~^~~~~~~~~~~
stones.cpp:38:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if(v1[i] > v2[in] && in < v2.size()){
                            ~~~^~~~~~~~~~~
stones.cpp:44:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0;i < v2.size(); i++){
                   ~~^~~~~~~~~~~
stones.cpp:45:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       if(v1[in] < v2[i] && in < v1.size()){
                            ~~~^~~~~~~~~~~
stones.cpp: In function 'int main()':
stones.cpp:65:11: warning: unused variable 'ans1' [-Wunused-variable]
     int n,ans1 = 0,ans2 = 0;
           ^~~~
stones.cpp:65:20: warning: unused variable 'ans2' [-Wunused-variable]
     int n,ans1 = 0,ans2 = 0;
                    ^~~~
stones.cpp:61:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen("stones.in", "r", stdin);
     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
stones.cpp:62:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     freopen("stones.out", "w", stdout);
     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100