Submission #1493342

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Source Code Expand

#include <stdio.h>                                                                                                                                                                                        
#include <stdlib.h>                                                                                                                                                                                       
#include <string.h>                                                                                                                                                                                       
                                                                                                                                                                                                          
int main(void)                                                                                                                                                                                            
{                                                                                                                                                                                                         
        long long a_num, b_num, ab_time, ba_time, i, j, now = 0, ans = 0;                                                                                                                                 
        long long *a_list, *b_list;                                                                                                                                                                       
                                                                                                                                                                                                          
        scanf("%lld %lld", &a_num, &b_num);                                                                                                                                                               
        scanf("%lld %lld", &ab_time, &ba_time);                                                                                                                                                           
        a_list = calloc(sizeof(long long), a_num);                                                                                                                                                        
        b_list = calloc(sizeof(long long), b_num);                                                                                                                                                        
                                                                                                                                                                                                          
        for (i = 0; i < a_num; i++) {                                                                                                                                                                     
                scanf("%lld", &a_list[i]);                                                                                                                                                                
        }                                                                                                                                                                                                 
        for (i = 0; i < b_num; i++) {                                                                                                                                                                     
                scanf("%lld", &b_list[i]);                                                                                                                                                                
        }                                                                                                                                                                                                 
                                                                                                                                                                                                          
        i = 0;                                                                                                                                                                                            
        j = 0;                                                                              
        while (i < a_num || j < b_num) {                                                    
                while (i < a_num) {                                                         
                        if (now <= a_list[i]) {                                             
                                now = a_list[i++] + ab_time;                                
                                break;                                                  
                        }                                                               
                        i++;                                                            
                }                                                                       
                                                                                        
                while (j < b_num) {                                                     
                        if (now <= b_list[j]) {                                         
                                now = b_list[j++] + ba_time;                            
                                ans++;                                                  
                                break;                                                  
                        }                                                               
                        j++;                                                            
                }                                                                       
        }                                                                               
        printf("%lld\n", ans);                                                           
        return 0;                                                                       
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:10:9: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld %lld", &a_num, &b_num);                                                                                                                                                               
         ^
./Main.c:11:9: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld %lld", &ab_time, &ba_time);                                                                                                                                                           
         ^
./Main.c:16:17: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
                 scanf("%lld", &a_list[i]);                                                                                                                                                                
...

Judge Result