Submission #2141375

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Source Code Expand

#include <stdio.h>
#include <math.h>

int main(){
	int n;
	scanf("%d", &n);
	char arr[12 * 24 + 1] = {0,};
	int sh, sm, th, tm;
	int last_th = th;
	int last_tm = tm;
	while( n-- ){
		scanf("%2d%2d-%2d%2d", &sh, &sm, &th, &tm );
		//printf("%2d%2d-%2d%2d\n", sh, sm, th, tm );
		sm =  ( floorl( sm / 5.0 ));
		tm =  ( ceill( tm / 5.0 ));
		if( sm==12 ){ sh +=1; sm = 0; }
		if( tm==12 ){ th +=1; tm = 0; }
		for(int i =sh * 12+ sm; i < th * 12 + tm; i++){
			arr[ i ] = 1;
		}
	}
	
	int was1 = 0 ;
	for(int ii=0; ii < 12* 24 + 1; ii++){
		if( ! was1 && arr[ii] ){
			printf("%02d%02d-", ii/12, 5*(ii%12) ); 
			was1 = 1;
		}
		if( was1 && ! arr[ii] ){
			printf("%02d%02d\n", ii/12, 5*(ii%12) ); 
			was1 = 0;
		}	
	}


}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
./Main.cpp:12:46: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%2d%2d-%2d%2d", &sh, &sm, &th, &tm );
                                              ^

Judge Result