Submission #859285

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Source Code Expand

#include<iostream>
#include <string>
#include<cstring>
#include<stdio.h>
using namespace std;


int convert_b(int num) {
	int val;
	val = num / 100 * 12;
	num = num % 100;
	num = num / 5;
	return val + num;
}
int convert_a(int num) {
	int val;
	val = num / 100 * 12;
	num = num % 100;
	if (num % 5 == 0) {
		num = num / 5 - 1;
	}
	else {
		num = num / 5 ;
	}
	return val + num;
}
string convert(int num) {
	string ans = "";
	int hour = num / 12;
	int minute = (num % 12) * 5;
	if (hour < 10) {
		ans += "0";
	}
	ans = ans + to_string(hour);
	if (minute < 10) {
		ans += "0";
	}
	ans = ans +to_string(minute);
	return ans;

}
bool minute[24 * 12 + 1] = { false, };


int main(){
	int num;
	cin >> num;
	int a, b;
	for (int i = 0; i < num; i++) {
		scanf("%d-%d", &b, &a);
		b = convert_b(b);
		a = convert_a(a);
		for (int j = b; j <= a; j++) {
			minute[j] = true;
		}
	}
	bool check = false;
	int before = 0, after = 0;
	for (int i = 0; i < 24 * 12 + 1; i++) {
		if (check == false) {
			if (minute[i]) {
				before = i;
				check = true;
			}
		}
		else {
			if (!minute[i]) {
				cout << convert(before) << "-" << convert(i) << endl;
				check = false;
			}
		}
	}
	if (check == true) {
		cout << convert(before) << "-" << convert(24 * 12) << endl;
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:50:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d-%d", &b, &a);
                         ^

Judge Result