From 4ddc5ccd4da258ef567a5de35baa2fbc08d45804 Mon Sep 17 00:00:00 2001
From: Santo Cariotti <sancn@live.com>
Date: Sat, 21 Jan 2017 21:12:47 +0100
Subject: Planet reg02

---
 planet.cc | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 planet.cc

diff --git a/planet.cc b/planet.cc
new file mode 100644
index 0000000..c61e95b
--- /dev/null
+++ b/planet.cc
@@ -0,0 +1,72 @@
+#include <iostream>
+#include <fstream>
+#include <sstream>
+
+using namespace std;
+
+int main()
+{
+	ifstream in;
+	ofstream out;
+	in.open("input.txt");
+	out.open("output.txt");
+	
+	char ch;
+	string numero, val[2];
+	int oraVuota = -1, giorno[96], i = 0, c = 0;
+	
+	for(int j = 0; j < 96; j++) giorno[j] = -1;
+	
+	getline(in, numero);
+	int N;
+	istringstream(numero) >> N;
+	
+	int ore[N][2];
+	
+	while(!in.eof())
+	{
+		in.get(ch);
+		
+		if(ch == '\n') {
+			val[0] = "";
+			val[1] = "";
+			i = 0;
+			c++;
+			
+			continue;
+		}else if(ch == ' '){
+			i++;
+		}else {
+			val[i] += ch;
+			istringstream(val[i]) >> ore[c][i];
+		}
+		
+	}
+	
+	i = 0;
+	while(i < N){
+		if(ore[i][0] > ore[i][1]){
+			for(int j = ore[i][0]; j < ore[i][1] || j < 96; j++) giorno[j] = 0;
+			for(int k = ore[i][1]-1; k >= 0; k--) giorno[k] = 0;
+		}else {
+			for(int k = ore[i][0]; k < ore[i][1]; k++) giorno[k] = 0;
+		}
+		i++;
+	}
+	
+	for(i = 0; i < 96; i++) {
+		if(giorno[i] == -1) {
+			oraVuota = i;
+			break;
+		}
+		
+		//cout << i << " " << giorno[i] << endl;
+	}
+	
+	cout << oraVuota << endl;
+		
+	in.close();
+	out.close();
+	
+	return 0;
+}
-- 
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