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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. #define M 52
  5. #define N 50
  6.  
  7. char* data[] = {
  8.   "37107287533902102798797998220837590246510135740250",
  9.   "46376937677490009712648124896970078050417018260538",
  10.   "74324986199524741059474233309513058123726617309629",
  11.   "91942213363574161572522430563301811072406154908250",
  12.   "23067588207539346171171980310421047513778063246676",
  13.   "89261670696623633820136378418383684178734361726757",
  14.   "28112879812849979408065481931592621691275889832738",
  15.   "44274228917432520321923589422876796487670272189318",
  16.   "47451445736001306439091167216856844588711603153276",
  17.   "70386486105843025439939619828917593665686757934951",
  18.   "62176457141856560629502157223196586755079324193331",
  19.   "64906352462741904929101432445813822663347944758178",
  20.   "92575867718337217661963751590579239728245598838407",
  21.   "58203565325359399008402633568948830189458628227828",
  22.   "80181199384826282014278194139940567587151170094390",
  23.   "35398664372827112653829987240784473053190104293586",
  24.   "86515506006295864861532075273371959191420517255829",
  25.   "71693888707715466499115593487603532921714970056938",
  26.   "54370070576826684624621495650076471787294438377604",
  27.   "53282654108756828443191190634694037855217779295145",
  28.   "36123272525000296071075082563815656710885258350721",
  29.   "45876576172410976447339110607218265236877223636045",
  30.   "17423706905851860660448207621209813287860733969412",
  31.   "81142660418086830619328460811191061556940512689692",
  32.   "51934325451728388641918047049293215058642563049483",
  33.   "62467221648435076201727918039944693004732956340691",
  34.   "15732444386908125794514089057706229429197107928209",
  35.   "55037687525678773091862540744969844508330393682126",
  36.   "18336384825330154686196124348767681297534375946515",
  37.   "80386287592878490201521685554828717201219257766954",
  38.   "78182833757993103614740356856449095527097864797581",
  39.   "16726320100436897842553539920931837441497806860984",
  40.   "48403098129077791799088218795327364475675590848030",
  41.   "87086987551392711854517078544161852424320693150332",
  42.   "59959406895756536782107074926966537676326235447210",
  43.   "69793950679652694742597709739166693763042633987085",
  44.   "41052684708299085211399427365734116182760315001271",
  45.   "65378607361501080857009149939512557028198746004375",
  46.   "35829035317434717326932123578154982629742552737307",
  47.   "94953759765105305946966067683156574377167401875275",
  48.   "88902802571733229619176668713819931811048770190271",
  49.   "25267680276078003013678680992525463401061632866526",
  50.   "36270218540497705585629946580636237993140746255962",
  51.   "24074486908231174977792365466257246923322810917141",
  52.   "91430288197103288597806669760892938638285025333403",
  53.   "34413065578016127815921815005561868836468420090470",
  54.   "23053081172816430487623791969842487255036638784583",
  55.   "11487696932154902810424020138335124462181441773470",
  56.   "63783299490636259666498587618221225225512486764533",
  57.   "67720186971698544312419572409913959008952310058822",
  58.   "95548255300263520781532296796249481641953868218774",
  59.   "76085327132285723110424803456124867697064507995236",
  60.   "37774242535411291684276865538926205024910326572967",
  61.   "23701913275725675285653248258265463092207058596522",
  62.   "29798860272258331913126375147341994889534765745501",
  63.   "18495701454879288984856827726077713721403798879715",
  64.   "38298203783031473527721580348144513491373226651381",
  65.   "34829543829199918180278916522431027392251122869539",
  66.   "40957953066405232632538044100059654939159879593635",
  67.   "29746152185502371307642255121183693803580388584903",
  68.   "41698116222072977186158236678424689157993532961922",
  69.   "62467957194401269043877107275048102390895523597457",
  70.   "23189706772547915061505504953922979530901129967519",
  71.   "86188088225875314529584099251203829009407770775672",
  72.   "11306739708304724483816533873502340845647058077308",
  73.   "82959174767140363198008187129011875491310547126581",
  74.   "97623331044818386269515456334926366572897563400500",
  75.   "42846280183517070527831839425882145521227251250327",
  76.   "55121603546981200581762165212827652751691296897789",
  77.   "32238195734329339946437501907836945765883352399886",
  78.   "75506164965184775180738168837861091527357929701337",
  79.   "62177842752192623401942399639168044983993173312731",
  80.   "32924185707147349566916674687634660915035914677504",
  81.   "99518671430235219628894890102423325116913619626622",
  82.   "73267460800591547471830798392868535206946944540724",
  83.   "76841822524674417161514036427982273348055556214818",
  84.   "97142617910342598647204516893989422179826088076852",
  85.   "87783646182799346313767754307809363333018982642090",
  86.   "10848802521674670883215120185883543223812876952786",
  87.   "71329612474782464538636993009049310363619763878039",
  88.   "62184073572399794223406235393808339651327408011116",
  89.   "66627891981488087797941876876144230030984490851411",
  90.   "60661826293682836764744779239180335110989069790714",
  91.   "85786944089552990653640447425576083659976645795096",
  92.   "66024396409905389607120198219976047599490197230297",
  93.   "64913982680032973156037120041377903785566085089252",
  94.   "16730939319872750275468906903707539413042652315011",
  95.   "94809377245048795150954100921645863754710598436791",
  96.   "78639167021187492431995700641917969777599028300699",
  97.   "15368713711936614952811305876380278410754449733078",
  98.   "40789923115535562561142322423255033685442488917353",
  99.   "44889911501440648020369068063960672322193204149535",
  100.   "41503128880339536053299340368006977710650566631954",
  101.   "81234880673210146739058568557934581403627822703280",
  102.   "82616570773948327592232845941706525094512325230608",
  103.   "22918802058777319719839450180888072429661980811197",
  104.   "77158542502016545090413245809786882778948721859617",
  105.   "72107838435069186155435662884062257473692284509516",
  106.   "20849603980134001723930671666823555245252804609722",
  107.   "53503534226472524250874054075591789781264330331690"};
  108.  
  109. int acc[M] = {0};
  110. int arr[M] = {0};
  111.  
  112. void string2int(int j) {
  113.   for(int i = 0; i < N; i++) {
  114.     arr[i + M - N] = data[j][i] - '0';
  115.   }
  116. }
  117.  
  118. void add(void) {
  119.   int x;
  120.   for (int i = 0; i <= N; i++) {
  121.     x = acc[M - i - 1] + arr[M - i - 1];
  122.     acc[M - i - 1] = x % 10; acc[M - i - 2] += x / 10;
  123.   }
  124. }
  125.  
  126. void euler13(void) {
  127.   for (int i = 0; i < 100; i++) {
  128.     string2int(i);
  129.     add();
  130.     for (int j = 0; j < N; j++) {
  131.       arr[j] = 0;
  132.     }
  133.   }
  134. }
  135.  
  136. int main(void) {
  137.   euler13();
  138.   for (int i = 0; i < 10; i++) {
  139.     printf("%d", acc[i]);
  140.   }
  141.   printf("\n");
  142.   return EXIT_SUCCESS;
  143. }
  144.  
Success #stdin #stdout 0s 5536KB
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5537376230
https://ideone.com/4oLfcS
language:
C (gcc 8.3)
created:
1 year ago
visibility:
secret

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