Submission #2498282

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Source Code Expand

#include<stdio.h>
#include<string.h>
using namespace std;
char ans[5][5010];
void insert(char* c,int n){
    char tmp[6];
    for(int i=0;i<n;i++)tmp[i]=c[i];
    tmp[n]='\0';
    int idx=4;
    for(int i=0;i<5;i++)if(strcmp(tmp,ans[i])==0)return;
    while(idx>=0&&strcmp(tmp,ans[idx])<=0)idx--;
    for(int i=4;i>idx+1;i--){
        strcpy(ans[i],ans[i-1]);
    }
    strcpy(ans[idx+1],tmp);

}
int main(){
    char s[5010];
    char t[5010];
    scanf("%s",s);
    int k;
    scanf("%d",&k);
    for(int i=0;i<5;i++){
        for(int j=0;j<5010;j++)ans[i][j]='z';
        ans[i][5009]='\0';
    }
    int l=strlen(s);
    for(int i=0;i<l;i++){
        for(int j=1;j<6&&i+j<=l;j++){
            insert(s+i,j);
        }
    }
    printf("%s\n",ans[k-1]);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:21:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s",s);
                  ^
./Main.cpp:23:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&k);
                   ^

Judge Result