Submission #2042877

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Source Code Expand

#include <stdio.h>
#include <stdlib.h>

int main(){
    int N,K;
    scanf("%d %d", &N, &K);
    float R[N];
    for(int i = 0; i < N; i++){
        scanf("%f",&R[i]);
    }
    float C = 0;
    
    for(int i = 0; i < N-1; i++){
        for(int j = N-1; j > 0; j--){
            if (R[j] < R[j-1]){
                float tmp = R[j];
                R[j] = R[j-1];
                R[j-1] = tmp;
            }
        }
    }
    
    for(int k = N-K; k < N; k++){
        C = (C + R[k]) / 2.0;
    }
    
    printf("%f\n", C);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &N, &K);
                           ^
./Main.cpp:9:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%f",&R[i]);
                          ^

Judge Result