Submission #993666
Source Code Expand
#include <cstdio> long long N,A; int overN(long long x,long long y) { if(N/x+1<y) return 1; if(x*y<1) printf("err"); if(N<x*y) return 1; return 0; } long long eval(int k,long long wsum) { long long prod=1; for(int i=0;i<k;i++) { if(i<wsum%k) { if(overN(prod,wsum/k+1)) return wsum+A*k+1; prod*=wsum/k+1; } else { if(overN(prod,wsum/k)) return wsum+A*k+1; prod*=wsum/k; } if(prod<1) printf("err"); if(prod>=N) return wsum+A*k+1; } if(N%prod) { return wsum+A*k+N/prod+1; } else { return wsum+A*k+N/prod; } } int main() { scanf("%lld%lld",&N,&A); long long sol=N; int k=1; long long minv=2; while(1) { if(minv>=N) { long long temp=(A+2)*k+1; if(sol>temp) sol=temp; break; } long long search_minv=k*2; long long search_maxv=N; while(search_minv+100000<search_maxv) { long long search_hav=(search_minv*2+search_maxv)/3; long long search_hbv=(search_minv+search_maxv*2)/3; long long eval_ha=eval(k,search_hav); long long eval_hb=eval(k,search_hbv); if(eval_ha>eval_hb) { search_minv=search_hav; } else { search_maxv=search_hbv; } } for(long long i=search_minv;i<=search_maxv;i++) { long long temp=eval(k,i); if(sol>temp) sol=temp; } k++; minv*=2; } printf("%lld\n",sol); return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - Cookies |
User | phidnight |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 1348 Byte |
Status | AC |
Exec Time | 396 ms |
Memory | 256 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:30:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld",&N,&A); ^
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | 500 / 500 | ||||||
Status |
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Set Name | Test Cases |
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sample | sample-01.txt, sample-02.txt, sample-03.txt |
dataset1 | sample-01.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt |
dataset2 | sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, 01-26.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, 02-09.txt, 02-10.txt, 02-11.txt, 02-12.txt, 02-13.txt, 02-14.txt, 02-15.txt, 02-16.txt, 02-17.txt, 02-18.txt, 02-19.txt, 02-20.txt, 02-21.txt, 02-22.txt, 02-23.txt, 02-24.txt, 02-25.txt, 02-26.txt, 02-27.txt, 02-28.txt, 02-29.txt, 02-30.txt, 02-31.txt, 02-32.txt, 02-33.txt, 02-34.txt, 02-35.txt, 02-36.txt, 02-37.txt, 02-38.txt, 02-39.txt, 02-40.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 99 ms | 128 KB |
01-02.txt | AC | 99 ms | 128 KB |
01-03.txt | AC | 99 ms | 128 KB |
01-04.txt | AC | 99 ms | 128 KB |
01-05.txt | AC | 99 ms | 128 KB |
01-06.txt | AC | 99 ms | 128 KB |
01-07.txt | AC | 99 ms | 128 KB |
01-08.txt | AC | 99 ms | 128 KB |
01-09.txt | AC | 99 ms | 128 KB |
01-10.txt | AC | 99 ms | 128 KB |
01-11.txt | AC | 99 ms | 128 KB |
01-12.txt | AC | 99 ms | 128 KB |
01-13.txt | AC | 99 ms | 128 KB |
01-14.txt | AC | 50 ms | 128 KB |
01-15.txt | AC | 74 ms | 128 KB |
01-16.txt | AC | 73 ms | 128 KB |
01-17.txt | AC | 98 ms | 128 KB |
01-18.txt | AC | 1 ms | 128 KB |
01-19.txt | AC | 1 ms | 128 KB |
01-20.txt | AC | 1 ms | 128 KB |
01-21.txt | AC | 1 ms | 128 KB |
01-22.txt | AC | 1 ms | 128 KB |
01-23.txt | AC | 1 ms | 128 KB |
01-24.txt | AC | 1 ms | 128 KB |
01-25.txt | AC | 1 ms | 128 KB |
01-26.txt | AC | 1 ms | 128 KB |
02-01.txt | AC | 1 ms | 128 KB |
02-02.txt | AC | 368 ms | 128 KB |
02-03.txt | AC | 368 ms | 128 KB |
02-04.txt | AC | 368 ms | 128 KB |
02-05.txt | AC | 368 ms | 128 KB |
02-06.txt | AC | 369 ms | 128 KB |
02-07.txt | AC | 368 ms | 128 KB |
02-08.txt | AC | 368 ms | 128 KB |
02-09.txt | AC | 369 ms | 128 KB |
02-10.txt | AC | 368 ms | 128 KB |
02-11.txt | AC | 368 ms | 128 KB |
02-12.txt | AC | 369 ms | 256 KB |
02-13.txt | AC | 369 ms | 128 KB |
02-14.txt | AC | 369 ms | 128 KB |
02-15.txt | AC | 396 ms | 256 KB |
02-16.txt | AC | 369 ms | 128 KB |
02-17.txt | AC | 368 ms | 128 KB |
02-18.txt | AC | 369 ms | 128 KB |
02-19.txt | AC | 369 ms | 128 KB |
02-20.txt | AC | 368 ms | 128 KB |
02-21.txt | AC | 368 ms | 128 KB |
02-22.txt | AC | 368 ms | 128 KB |
02-23.txt | AC | 368 ms | 128 KB |
02-24.txt | AC | 368 ms | 128 KB |
02-25.txt | AC | 171 ms | 128 KB |
02-26.txt | AC | 246 ms | 128 KB |
02-27.txt | AC | 246 ms | 128 KB |
02-28.txt | AC | 246 ms | 128 KB |
02-29.txt | AC | 281 ms | 128 KB |
02-30.txt | AC | 307 ms | 128 KB |
02-31.txt | AC | 330 ms | 128 KB |
02-32.txt | AC | 345 ms | 128 KB |
02-33.txt | AC | 354 ms | 128 KB |
02-34.txt | AC | 375 ms | 128 KB |
02-35.txt | AC | 346 ms | 128 KB |
02-36.txt | AC | 312 ms | 128 KB |
02-37.txt | AC | 319 ms | 128 KB |
02-38.txt | AC | 366 ms | 128 KB |
02-39.txt | AC | 368 ms | 128 KB |
02-40.txt | AC | 365 ms | 128 KB |
sample-01.txt | AC | 1 ms | 128 KB |
sample-02.txt | AC | 369 ms | 128 KB |
sample-03.txt | AC | 75 ms | 128 KB |