make ap

本文分享了一道 CodeForces 训练题的解答过程,重点在于如何判断三个数能否构成等差数列,通过不同的条件判断实现,强调了审题的重要性。

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虽然写出来了但浪费了好多时间

codeforces
训练题

#include<stdio.h>//浪费时间的原因就是题目没有仔细的看 想当然的就去做了  这里是a b c三个数其中一个数乘以m 只能是正整数 
#include<string.h>//而我做的时候还在做除法 
#include<math.h>
int main()
{
	int i,j,n;
	scanf("%d",&n);
	while(n--)
	{
	int a,b,c;
		scanf("%d%d%d",&a,&b,&c);
//		if(b>a&&b>c)
//		{
//			printf("NO\n");
//			continue;
//		}
		if(a==b==c||b-a==c-b||a-b==b-c)//本身就是等差数列 不用处理   
		{
			printf("YES\n");
			continue; 
		}
		double d=2.0*b-c;
		if((int)d%a==0&&d>=a&&(int)d==d)//根据等差数列的性质的出来   
		{
			printf("YES\n");
			continue;
		}
		 d=2.0*b-a;
		 if((int)d==d&&d>=c&&(int)d%c==0)
		 {
		 	printf("YES\n");
		 	continue;
		 }
		 d=(c+a)/2.0;
		 if((int)d==d&&d>=b&&(int)d%b==0)
		 {
		 	printf("YES\n");
		 	continue;
		 }
		printf("NO\n");
	}
}
FAILED: ninja: 'out/target/product/k69v1_64/obj/SHARED_LIBRARIES/libcam.hal3a.v3.platform_intermediates/libcam.hal3a.v3.platform.so.toc', needed by 'out/target/product/k69v1_64/obj/SHARED_LIBRARIES/vendor.oplus.hardware.sendextcamcmd-V1-service-impl_intermediates/LINKED/vendor.oplus.hardware.sendextcamcmd-V1-service-impl.so', missing and no known rule to make it [2025-03-30T19:38:54.796Z] 03:38:51 ninja failed with: exit status 1 [2025-03-30T19:38:54.796Z] SCM.IT: make ap new ... failed, result is 1. [2025-03-30T19:38:54.796Z] SCM.IT: mk_android runtime: 00:13:27 [2025-03-30T19:38:54.796Z] SCM.IT: ####### mk_android ####### END [2025-03-30T19:38:54.796Z] SCM.IT: ####### Build VND Error Trace ####### START [2025-03-30T19:38:54.796Z] error: ninja: 'out/target/product/k69v1_64/obj/SHARED_LIBRARIES/libcam.hal3a.v3.platform_intermediates/libcam.hal3a.v3.platform.so.toc', needed by 'out/target/product/k69v1_64/obj/SHARED_LIBRARIES/vendor.oplus.hardware.sendextcamcmd-V1-service-impl_intermediates/LINKED/vendor.oplus.hardware.sendextcamcmd-V1-service-impl.so', missing and no known rule to make it [2025-03-30T19:38:54.796Z] SCM.IT: ####### Build VND Error Trace ####### END [2025-03-30T19:38:54.796Z] parse_trace:102 -INFO: ===== OPLUS TRACES START ==== [2025-03-30T19:38:54.796Z] parse_trace:107 -INFO: ----- 编译报错(ERROR):0 ------ [2025-03-30T19:38:54.796Z] showItemsCn:80 -INFO: 报错原因: other error [2025-03-30T19:38:54.796Z] showItemsCn:83 -INFO: 错误内容: [2025-03-30T19:38:54.796Z] error: ninja: 'out/target/product/k69v1_64/obj/SHARED_LIBRARIES/libcam.hal3a.v3.platform_intermediates/libcam.hal3a.v3.platform.so.toc', needed by 'out/target/product/k69v1_64/obj/SHARED_LIBRARIES/vendor.oplus.hardware.sendextcamcmd-V1-service-impl_intermediates/LINKED/vendor.oplus.hardware.sendextcamcmd-V1-service-impl.so', missing and no known rule to make it [2025-03-30T19:38:54.796Z] [2025-03-30T19:38:54.796Z] RunAndCheckOutput:69 -ERROR: Failed to run comma
04-02
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