Project-Euler/q13.java at master · w-huang/Project-Euler · GitHub

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public class q13 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		String values = "37107287533902102798797998220837590246510135740250" + "\n" +
		"46376937677490009712648124896970078050417018260538" + "\n" +
		"74324986199524741059474233309513058123726617309629" + "\n" +
		"91942213363574161572522430563301811072406154908250" + "\n" +
		"23067588207539346171171980310421047513778063246676" + "\n" +
		"89261670696623633820136378418383684178734361726757" + "\n" +
		"28112879812849979408065481931592621691275889832738" + "\n" +
		"44274228917432520321923589422876796487670272189318" + "\n" +
		"47451445736001306439091167216856844588711603153276" + "\n" +
		"70386486105843025439939619828917593665686757934951" + "\n" +
		"62176457141856560629502157223196586755079324193331" + "\n" +
		"64906352462741904929101432445813822663347944758178" + "\n" +
		"92575867718337217661963751590579239728245598838407" + "\n" +
		"58203565325359399008402633568948830189458628227828" + "\n" +
		"80181199384826282014278194139940567587151170094390" + "\n" +
		"35398664372827112653829987240784473053190104293586" + "\n" +
		"86515506006295864861532075273371959191420517255829" + "\n" +
		"71693888707715466499115593487603532921714970056938" + "\n" +
		"54370070576826684624621495650076471787294438377604" + "\n" +
		"53282654108756828443191190634694037855217779295145" + "\n" +
		"36123272525000296071075082563815656710885258350721" + "\n" +
		"45876576172410976447339110607218265236877223636045" + "\n" +
		"17423706905851860660448207621209813287860733969412" + "\n" +
		"81142660418086830619328460811191061556940512689692" + "\n" +
		"51934325451728388641918047049293215058642563049483" + "\n" +
		"62467221648435076201727918039944693004732956340691" + "\n" +
		"15732444386908125794514089057706229429197107928209" + "\n" +
		"55037687525678773091862540744969844508330393682126" + "\n" +
		"18336384825330154686196124348767681297534375946515" + "\n" +
		"80386287592878490201521685554828717201219257766954" + "\n" +
		"78182833757993103614740356856449095527097864797581" + "\n" +
		"16726320100436897842553539920931837441497806860984" + "\n" +
		"48403098129077791799088218795327364475675590848030" + "\n" +
		"87086987551392711854517078544161852424320693150332" + "\n" +
		"59959406895756536782107074926966537676326235447210" + "\n" +
		"69793950679652694742597709739166693763042633987085" + "\n" +
		"41052684708299085211399427365734116182760315001271" + "\n" +
		"65378607361501080857009149939512557028198746004375" + "\n" +
		"35829035317434717326932123578154982629742552737307" + "\n" +
		"94953759765105305946966067683156574377167401875275" + "\n" +
		"88902802571733229619176668713819931811048770190271" + "\n" +
		"25267680276078003013678680992525463401061632866526" + "\n" +
		"36270218540497705585629946580636237993140746255962" + "\n" +
		"24074486908231174977792365466257246923322810917141" + "\n" +
		"91430288197103288597806669760892938638285025333403" + "\n" +
		"34413065578016127815921815005561868836468420090470" + "\n" +
		"23053081172816430487623791969842487255036638784583" + "\n" +
		"11487696932154902810424020138335124462181441773470" + "\n" +
		"63783299490636259666498587618221225225512486764533" + "\n" +
		"67720186971698544312419572409913959008952310058822" + "\n" +
		"95548255300263520781532296796249481641953868218774" + "\n" +
		"76085327132285723110424803456124867697064507995236" + "\n" +
		"37774242535411291684276865538926205024910326572967" + "\n" +
		"23701913275725675285653248258265463092207058596522" + "\n" +
		"29798860272258331913126375147341994889534765745501" + "\n" +
		"18495701454879288984856827726077713721403798879715" + "\n" +
		"38298203783031473527721580348144513491373226651381" + "\n" +
		"34829543829199918180278916522431027392251122869539" + "\n" +
		"40957953066405232632538044100059654939159879593635" + "\n" +
		"29746152185502371307642255121183693803580388584903" + "\n" +
		"41698116222072977186158236678424689157993532961922" + "\n" +
		"62467957194401269043877107275048102390895523597457" + "\n" +
		"23189706772547915061505504953922979530901129967519" + "\n" +
		"86188088225875314529584099251203829009407770775672" + "\n" +
		"11306739708304724483816533873502340845647058077308" + "\n" +
		"82959174767140363198008187129011875491310547126581" + "\n" +
		"97623331044818386269515456334926366572897563400500" + "\n" +
		"42846280183517070527831839425882145521227251250327" + "\n" +
		"55121603546981200581762165212827652751691296897789" + "\n" +
		"32238195734329339946437501907836945765883352399886" + "\n" +
		"75506164965184775180738168837861091527357929701337" + "\n" +
		"62177842752192623401942399639168044983993173312731" + "\n" +
		"32924185707147349566916674687634660915035914677504" + "\n" +
		"99518671430235219628894890102423325116913619626622" + "\n" +
		"73267460800591547471830798392868535206946944540724" + "\n" +
		"76841822524674417161514036427982273348055556214818" + "\n" +
		"97142617910342598647204516893989422179826088076852" + "\n" +
		"87783646182799346313767754307809363333018982642090" + "\n" +
		"10848802521674670883215120185883543223812876952786" + "\n" +
		"71329612474782464538636993009049310363619763878039" + "\n" +
		"62184073572399794223406235393808339651327408011116" + "\n" +
		"66627891981488087797941876876144230030984490851411" + "\n" +
		"60661826293682836764744779239180335110989069790714" + "\n" +
		"85786944089552990653640447425576083659976645795096" + "\n" +
		"66024396409905389607120198219976047599490197230297" + "\n" +
		"64913982680032973156037120041377903785566085089252" + "\n" +
		"16730939319872750275468906903707539413042652315011" + "\n" +
		"94809377245048795150954100921645863754710598436791" + "\n" +
		"78639167021187492431995700641917969777599028300699" + "\n" +
		"15368713711936614952811305876380278410754449733078" + "\n" +
		"40789923115535562561142322423255033685442488917353" + "\n" +
		"44889911501440648020369068063960672322193204149535" + "\n" +
		"41503128880339536053299340368006977710650566631954" + "\n" +
		"81234880673210146739058568557934581403627822703280" + "\n" +
		"82616570773948327592232845941706525094512325230608" + "\n" +
		"22918802058777319719839450180888072429661980811197" + "\n" +
		"77158542502016545090413245809786882778948721859617" + "\n" +
		"72107838435069186155435662884062257473692284509516" + "\n" +
		"20849603980134001723930671666823555245252804609722" + "\n" +
		"53503534226472524250874054075591789781264330331690";
		String[] valuesInArray = new String[100];
		valuesInArray = values.split("\n");
		int[] currentSum = {0,0,0,0,0,0,0,0,0,0,0,0};

		for(int i = 0; i < valuesInArray.length; ++i){
			currentSum = arrayAdd(currentSum, stringToArray(valuesInArray[i]));
		}

		for(int j = 0; j < currentSum.length; ++j){
			System.out.print(currentSum[j]);
		}


	}

	public static int[] stringToArray(String s){
		int[] returnValue = new int[12];
		returnValue[0] = 0;
		returnValue[1] = 0;
		for(int i = 0; i < 10; ++i){
			returnValue[2 + i] = Character.getNumericValue(s.charAt(i));
		}
		return returnValue;
	}

	public static int[] arrayAdd(int[] x, int[] y){
		int[] result = new int[12];
		int carry = 0;
		for(int i = x.length - 1; i > -1; --i){
			result[i] = x[i] + y[i] + carry;
			if(result[i] >= 10){
				carry = 1;
				result[i] -= 10;
			}else{
				carry = 0;
			}
		}
		return result;
	}

}