제출 #884542

#제출 시각아이디문제언어결과실행 시간메모리
884542kokoue홀-짝 수열 (IZhO11_oddeven)C++14
0 / 100
2 ms708 KiB
#include<bits/stdc++.h> using namespace std; unsigned long long n; int main() { ios_base::sync_with_stdio(false); cin.tie(0); cin>>n; int cnt2=0; int sum=1; while(n>1) { // cout<<"in with n="<<n<<", sum="<<sum<<", cnt2="<<cnt2<<"\n"; if(n>cnt2+1) sum+=1+cnt2*2; else sum+=(n-1)*2; cnt2++; if(n<=cnt2) break; n-=cnt2; } cout<<sum<<"\n"; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

oddeven.cpp: In function 'int main()':
oddeven.cpp:14:13: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare]
   14 |         if(n>cnt2+1) sum+=1+cnt2*2;
      |            ~^~~~~~~
oddeven.cpp:17:13: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'int' [-Wsign-compare]
   17 |         if(n<=cnt2) break;
      |            ~^~~~~~
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