Submission #2162351

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Source Code Expand

#include <stdio.h>
#include <cmath>


int start_round_five(int x){
	double retx;
	retx = x / 5.0;
	retx = (double)(int)(retx);
	return (int)(retx * 5);
}

int finish_round_five(int x){
	double retx;
	retx = x / 5.0;
	retx = (double)(int)(ceil(retx));
	int retix = (int)(retx * 5);
	if (retix % 100 == 60){
		retix = retix + 40;
	}
	return retix;
}

int convert_to_id(int time){
	return time / 100 * 12 + time % 100 / 5;
}

int convert_to_time(int id){
	int time;
	if (id == 289){
		time = 2400;
	}
	else{
		time = id / 12 * 100 + id % 12 * 5;
	}
	return time;
}


int main(){
	int num_input;
	scanf("%d", &num_input);
	int start[num_input], finish[num_input];
	for (int i = 0; i < num_input; i++){
		scanf("%d-%d", &start[i], &finish[i]);
		start[i] = start_round_five(start[i]);
		finish[i] = finish_round_five(finish[i]);
	}
	int timeline[288] = {};
	for (int i = 0; i < num_input; i++){
		for (int j = convert_to_id(start[i]); j < convert_to_id(finish[i]); j++){
			timeline[j] = 1;
		}
	}
	
	for (int i = 0; i < 288; i++){

		if ((i > 0 && timeline[i] == 1 && timeline[i-1] == 0) ||
			(i == 0 && timeline[i] == 1)){
			printf("%04d-", convert_to_time(i));
		}
		if ((i < 287 && timeline[i] == 1 && timeline[i+1] == 0) ||
			(i == 287 && timeline[i] == 1)){
			printf("%04d\n", convert_to_time(i+1));
		}
		
	}
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:41:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &num_input);
                         ^
./Main.cpp:44:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d-%d", &start[i], &finish[i]);
                                        ^

Judge Result