Submission #334831

#	Time	Username	Problem	Language	Result	Execution time	Memory
334831		beksultan04	Nice sequence (IZhO18_sequence)	C++14	0 / 100	1 ms	364 KiB

sequence

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define OK puts("OK");
#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 pb push_back
#define endi puts("");
const int N = 1e6+12,INF=1e18+7;
main(){
    int t;
    scan1(t)
    while (t--){
        int a,b,i,j;
        scan2(a,b)
        vector <int> v;
        if (a == b){
            int x = 10000000,cnt=0;
            while (cnt+1<b){
                v.pb(x);
                cnt++;
            }
            cout <<v.size()<<"\n";
            for (i=0;i<v.size();++i){
                cout <<v[i]<<" ";
            }
            endi
        }
        else if (b == 2){
            int x = 20, y =-19;
            for (i=0;i<a;++i){
                if (i%2){
                    v.pb(x);
                }
                else v.pb(y);
            }
            cout <<v.size()<<"\n";
            for (i=0;i<v.size();++i){
                cout <<v[i]<<" ";
            }
            endi
        }
        else if (a == 2){

            int x = -20, y =19;
            for (i=0;i<b;++i){
                if (i%2){
                    v.pb(x);
                }
                else v.pb(y);
            }
            cout <<v.size()<<"\n";
            for (i=0;i<v.size();++i){
                cout <<v[i]<<" ";
            }
            endi
        }
        else ret 0;


    }

}

Compilation message (stderr)

sequence.cpp:16:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   16 | main(){
      |      ^
sequence.cpp: In function 'int main()':
sequence.cpp:30:23: 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]
   30 |             for (i=0;i<v.size();++i){
      |                      ~^~~~~~~~~
sequence.cpp:44:23: 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]
   44 |             for (i=0;i<v.size();++i){
      |                      ~^~~~~~~~~
sequence.cpp:59:23: 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]
   59 |             for (i=0;i<v.size();++i){
      |                      ~^~~~~~~~~
sequence.cpp:20:19: warning: unused variable 'j' [-Wunused-variable]
   20 |         int a,b,i,j;
      |                   ^
sequence.cpp:9:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 | #define scan1(a) scanf("%lld",&a);
      |                  ~~~~~^~~~~~~~~~~
sequence.cpp:18:5: note: in expansion of macro 'scan1'
   18 |     scan1(t)
      |     ^~~~~
sequence.cpp:10:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   10 | #define scan2(a,b) scanf("%lld %lld",&a, &b);
      |                    ~~~~~^~~~~~~~~~~~~~~~~~~~
sequence.cpp:21:9: note: in expansion of macro 'scan2'
   21 |         scan2(a,b)
      |         ^~~~~

• Subtask 1: 0 / 6
• Subtask 2: 0 / 9
• Subtask 3: 0 / 14
• Subtask 4: 0 / 15
• Subtask 5: 0 / 14
• Subtask 6: 0 / 18
• Subtask 7: 0 / 24