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  1. /* paiza POH! Vol.1
  2.  * result:
  3.  * http://p...content-available-to-author-only...a.jp/poh/ec-campaign/result/1cfed6f147ed119de3896b4ccece2915
  4.  * author: Leonardone @ NEETSDKASU
  5.  */
  6. #include <stdio.h>
  7. #include <stdlib.h>
  8. #define PMAX (1000000)
  9. #define PC(c) putchar(c)
  10. #define PD(d) printf("%d\n", d)
  11. #define PS(s) printf("%s\n", s)
  12. #define SUMCHECK(tmp, sum, i, u, m) \
  13. 	sum = i + u; \
  14. 	if (sum > tmp) { \
  15. 		tmp = sum; \
  16. 		if (tmp == m) break; \
  17. 	}
  18.  
  19. int list[PMAX + 1] = {0};
  20. char str[10] = {'\n'};
  21.  
  22. inline int gc(void) {
  23.     register int c, n = 0;
  24.     do {
  25.         c = getchar();
  26.     } while ((c < '0') || (c > '9'));
  27.     do {
  28.         n = n * 10 + (c - '0');
  29.         c = getchar();
  30.     } while ((c >= '0') && (c <= '9'));
  31.     return n;
  32. }
  33.  
  34. inline void pi(register int n) {
  35. 	register int t, i = 1;
  36. 	do {
  37. 		t = n / 10;
  38. 		str[i] = n - t * 10 + '0';
  39. 		++i; n = t;
  40. 	} while (n > 0);
  41. 	do {
  42. 		PC(str[--i]);
  43. 	} while (i);
  44. }
  45.  
  46. int main(void) {
  47.     register int j, i, u, sum, tmp;
  48.     int n, d, m, p, lm;
  49.  
  50.     n = gc();
  51.     d = gc();
  52.  
  53.     j = n + 1;
  54.     while (--j) {
  55.         ++list[gc()];
  56.     }
  57.  
  58.     ++list[PMAX];
  59.     ++list[9];
  60.     ++list[0];
  61.     j = d + 1;
  62.     while (--j) {
  63.         i = (m = gc()) - 1;
  64.         u = 10;
  65.         tmp = 0;
  66.         while(!list[i]) --i;
  67.         if (i > 9) {
  68.         	lm = m >> 1;
  69.         	do {
  70.         		if ((u = m - i) > i) break;
  71.         		if (u > 9) {
  72. 	        		if (i == u) {
  73. 	        			if (list[i] > 1) {
  74. 	        				SUMCHECK(tmp, sum, i, u, m);
  75. 	        			} else {
  76. 	        				--u;
  77. 		        			while (!list[u]) --u;
  78. 		        			if (u > 9) {
  79. 		        				SUMCHECK(tmp, sum, i, u, m);
  80. 		        			}
  81. 	        			}
  82. 	        		} else {
  83. 	        			while (!list[u]) --u;
  84. 	        			if (u > 9) {
  85. 	        				SUMCHECK(tmp, sum, i, u, m);
  86. 	        			}
  87. 	        		}
  88.         		}
  89.         		--i;
  90.         		while (!list[i]) --i;
  91.         	} while (i >= lm);
  92.         }
  93.         pi(tmp);
  94.     }
  95.  
  96.     return 0;
  97. }
  98.  
  99.  
Success #stdin #stdout 0s 6200KB
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https://ideone.com/3QN1RH
language:
C (gcc 8.3)
created:
10 years ago
visibility:
secret

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