제출 #414547

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
414547		medmdg	MalnaRISC (COI21_malnarisc)	C++14	0 / 100	10 ms	460 KiB

malnarisc

#include <bits/stdc++.h>
#define ll  long long
using namespace std;
int main() {
    ll n;
    cin>>n;
    vector<pair<ll,ll> >  ans;
    for(int i=1;i<=n/2;i++){
        for(int j=i+1;j<=n/2;j++){
            ans.push_back(make_pair(i,j));
        }
    }
    for(int i=n/2+1;i<n;i++){
        for(int j=i+1;j<=n;j++){
            ans.push_back(make_pair(i,j));
        }
    }
    ll k=ans.size();
    for(int i=1;i<=n/2;i++){
        for(int j=n/2+1;j<=n;j++){
            ans.push_back(make_pair(i,j));
        }
    }
    cout<<ans.size()<<endl;
    for(int i=0;i<ans.size();i++){
        cout<<"CMPSWP R"<<ans[i].first<<" R"<<ans[i].second<<endl;
    }
}

컴파일 시 표준 에러 (stderr) 메시지

malnarisc.cpp: In function 'int main()':
malnarisc.cpp:25:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for(int i=0;i<ans.size();i++){
      |                 ~^~~~~~~~~~~
malnarisc.cpp:18:8: warning: unused variable 'k' [-Wunused-variable]
   18 |     ll k=ans.size();
      |        ^

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