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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4.  
  5.  
  6.  
  7. main () {
  8. //	freopen ("input.txt", "r", stdin);
  9. //	freopen ("output.txt", "w", stdout);
  10.  
  11. 	string s, st="", sp="", sg="";
  12. 	cin>>s;
  13. 	int t=s.rfind('(',s.size()-1);
  14. 	int p=s.find(')',t);
  15. //	cout<<t<<" "<<p;
  16.  
  17.  
  18. 	while (t!=-1) {
  19.  
  20. 		s[t]='0';
  21. 		p=s.find(')',t);
  22. 		s[p]='0';
  23. 		if (s[p+1]>=50 && s[p+1]<=57) {
  24. 			st=""; sp=""; sg="";
  25. 			for (int i=0; i<t; i++) {
  26. 				st=st+s[i];
  27. 			}
  28. 			int so=s[p+1]-'0';
  29. 			for (int i=1; i<=so; i++) {
  30. 				for (int j=t+1; j<p; j++) {
  31. 					sg=sg+s[j];
  32. 				}
  33. 			}
  34. 			for (int i=p+2; i<s.size(); i++) {
  35. 				sp=sp+s[i];
  36. 			}
  37. 			s=st+sg+sp;
  38. 		}
  39. 		t=s.rfind('(',s.size()-1);
  40. 	}
  41. 	int tong=0;
  42. 	for (int i=0; i<s.size(); i++) {
  43. 		if (s[i]==67) {
  44. 			tong=tong+12;
  45. 		}
  46. 		if (s[i]==72) {
  47. 			tong=tong+1;
  48. 		}
  49. 		if (s[i]==79) {
  50. 			tong=tong+16;
  51. 		}
  52. 		if (s[i]>=50 && s[i]<=57) {
  53. 			int so=s[i]-'0';
  54. 			if (s[i-1]==67) {
  55. 				tong=tong+12*(so-1);
  56. 			}
  57. 			if (s[i-1]==72) {
  58. 				tong=tong+1*(so-1);
  59. 			}
  60. 			if (s[i-1]==79) {
  61. 				tong=tong+16*(so-1);
  62. 			}
  63. 		}
  64. 	}
  65.  
  66. 	cout<<tong;
  67. }
Success #stdin #stdout 0s 16064KB
comments (?)
stdin
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((CH)2(OH2H)(C(H))O)3
stdout
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222
https://ideone.com/oiY9D7
v- PTIT121E - Nguyên tố hóa học - C2:
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
secret

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