Submission #1693303
Source Code Expand
#include<bits/stdc++.h> using namespace std; #define REP(i,n) for(int (i)=0;(i)<(n);(i)++) #define REP2(i,s,n) for(int (i)=(s);(i)<(n);(i)++) int main(){ int n,k; int i,j; double rate=0.; scanf("%d %d",&n,&k); int r[n]; REP(i,n){ scanf("%d",&r[i]); } int max,max_j,temp; REP(i,n){ max_j = i; REP2(j,i+1,n){ if(r[j] > r[max_j]){ max_j = j; } } temp = r[i]; r[i] = r[max_j]; r[max_j] = temp; } REP(i,k){ rate = (rate + r[k-(i+1)]) / 2.; } printf("%.6f\n",rate); return 0; }
Submission Info
Submission Time | |
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Task | C - AtCoderプログラミング講座 |
User | nabe12 |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 564 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 256 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:12:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&k); ^ ./Main.cpp:15:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&r[i]); ^
Judge Result
Set Name | All | ||
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Score / Max Score | 100 / 100 | ||
Status |
|
Set Name | Test Cases |
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All | 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_sample_01.txt | AC | 1 ms | 256 KB |
00_sample_02.txt | AC | 1 ms | 256 KB |
00_sample_03.txt | AC | 1 ms | 256 KB |
00_sample_04.txt | AC | 1 ms | 256 KB |
test_01.txt | AC | 1 ms | 256 KB |
test_02.txt | AC | 1 ms | 256 KB |
test_03.txt | AC | 1 ms | 256 KB |
test_04.txt | AC | 1 ms | 256 KB |
test_05.txt | AC | 1 ms | 256 KB |
test_06.txt | AC | 1 ms | 256 KB |
test_07.txt | AC | 1 ms | 256 KB |
test_08.txt | AC | 1 ms | 256 KB |
test_09.txt | AC | 1 ms | 256 KB |
test_10.txt | AC | 1 ms | 256 KB |
test_11.txt | AC | 1 ms | 256 KB |
test_12.txt | AC | 1 ms | 256 KB |
test_13.txt | AC | 1 ms | 256 KB |
test_14.txt | AC | 1 ms | 256 KB |
test_15.txt | AC | 1 ms | 256 KB |
test_16.txt | AC | 1 ms | 256 KB |
test_17.txt | AC | 1 ms | 256 KB |
test_18.txt | AC | 1 ms | 256 KB |
test_19.txt | AC | 1 ms | 256 KB |
test_20.txt | AC | 1 ms | 256 KB |
test_21.txt | AC | 1 ms | 256 KB |
test_22.txt | AC | 1 ms | 256 KB |
test_23.txt | AC | 1 ms | 256 KB |
test_24.txt | AC | 1 ms | 256 KB |
test_25.txt | AC | 1 ms | 256 KB |
test_26.txt | AC | 1 ms | 256 KB |
test_27.txt | AC | 1 ms | 256 KB |
test_28.txt | AC | 1 ms | 256 KB |
test_29.txt | AC | 1 ms | 256 KB |
test_30.txt | AC | 1 ms | 256 KB |