Submission #337523

#	Time	Username	Problem	Language	Result	Execution time	Memory
337523		beksultan04	Weighting stones (IZhO11_stones)	C++14	0 / 100	1 ms	364 KiB

stones

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define OK puts("OK");
#define NO puts("NO");
#define YES puts("YES");
#define fr first
#define sc second
#define ret return
#define scan1(a) scanf("%lld",&a);
#define scan2(a,b) scanf("%lld %lld",&a, &b);
#define scan3(a,b,c) scanf("%lld %lld %lld",&a,&b,&c);
#define all(s) s.begin(),s.end()
#define allr(s) s.rbegin(),s.rend()
#define pb push_back
#define sz(v) (int)v.size()
#define endi puts("");
const int N = 1e6+12,INF=1e9+7;

vector <int> v[3];
main(){
    int n,i,j;
    scan1(n)
    while (n--){
        int c,a;
        scan2(c,a)
        v[a].pb(c);
        if (v[1].empty())cout <<"<\n";
        else if (v[2].empty())cout <<">\n";
        else {
            int l=0,r=0;
            for (i=0;i<v[1].size();++i){
                for (j=0;j<v[2].size();++j){
                    if (v[1][i]>v[2][j])l++;
                    else r++;
                }
            }
            if (l > r)cout <<">\n";
            else if (l < r)cout <<"<\n";
            else cout <<"?\n";
        }
    }
}

Compilation message (stderr)

stones.cpp:22:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   22 | main(){
      |      ^
stones.cpp: In function 'int main()':
stones.cpp:33:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |             for (i=0;i<v[1].size();++i){
      |                      ~^~~~~~~~~~~~
stones.cpp:34:27: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |                 for (j=0;j<v[2].size();++j){
      |                          ~^~~~~~~~~~~~
stones.cpp:11:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   11 | #define scan1(a) scanf("%lld",&a);
      |                  ~~~~~^~~~~~~~~~~
stones.cpp:24:5: note: in expansion of macro 'scan1'
   24 |     scan1(n)
      |     ^~~~~
stones.cpp:12:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   12 | #define scan2(a,b) scanf("%lld %lld",&a, &b);
      |                    ~~~~~^~~~~~~~~~~~~~~~~~~~
stones.cpp:27:9: note: in expansion of macro 'scan2'
   27 |         scan2(c,a)
      |         ^~~~~

• Subtask 1: 0 / 100