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View Compilation Error

0_0_23179425_19970\Main.java:16: 错误: 需要数组, 但找到String
			 if(s[j]>='0'&&s[j]<='9') ans++;   
			     ^
0_0_23179425_19970\Main.java:16: 错误: 需要数组, 但找到String
			 if(s[j]>='0'&&s[j]<='9') ans++;   
			                ^
2 个错误


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