Created
August 10, 2012 00:33
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| 37107287533902102798797998220837590246510135740250 | |
| 46376937677490009712648124896970078050417018260538 | |
| 74324986199524741059474233309513058123726617309629 | |
| 91942213363574161572522430563301811072406154908250 | |
| 23067588207539346171171980310421047513778063246676 | |
| 89261670696623633820136378418383684178734361726757 | |
| 28112879812849979408065481931592621691275889832738 | |
| 44274228917432520321923589422876796487670272189318 | |
| 47451445736001306439091167216856844588711603153276 | |
| 70386486105843025439939619828917593665686757934951 | |
| ... | |
| ... Omitted for clarity | |
| ... | |
| 40789923115535562561142322423255033685442488917353 | |
| 44889911501440648020369068063960672322193204149535 | |
| 41503128880339536053299340368006977710650566631954 | |
| 81234880673210146739058568557934581403627822703280 | |
| 82616570773948327592232845941706525094512325230608 | |
| 22918802058777319719839450180888072429661980811197 | |
| 77158542502016545090413245809786882778948721859617 | |
| 72107838435069186155435662884062257473692284509516 | |
| 20849603980134001723930671666823555245252804609722 | |
| 53503534226472524250874054075591789781264330331690 |
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| public void p13() { | |
| String[] v = {"37107287533902102798797998220837590246510135740250..."}; | |
| String result = v[0]; | |
| for (int i = 1; i < v.length; i++) { | |
| result = add(result, v[i]); | |
| } | |
| System.out.println(result.substring(0,10)); | |
| } | |
| public String add(String a, String b) { | |
| int len = a.length(); | |
| int dif = len - b.length(); | |
| for (int i = 0; i < dif; i++) { | |
| b = "0" + b; | |
| } | |
| int index = len, carry = 0; | |
| String result = ""; | |
| for (int i = len - 1; i >= 0; i--) { | |
| int digit = (int)Character.digit(a.charAt(i), 10) | |
| + (int)Character.digit(b.charAt(i), 10) | |
| + carry; | |
| if (digit > 9) { | |
| carry = 1; | |
| digit -= 10; | |
| } else { | |
| carry = 0; | |
| } | |
| result = digit + result; | |
| } | |
| if (carry == 1) { | |
| result = carry + result; | |
| } | |
| return result; | |
| } |
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