Submission #2714221
Source Code Expand
#include <cstdio> int a,b,a1,a2,a3,b1,b2,b3,t,ans=-899; //差值最小为 -899 ,注意这里有负数 int main(){ scanf("%d%d",&a,&b); a1=a/100,a2=(a%100)/10,a3=a%10; //获取 a 的每一位 b1=b/100,b2=(b%100)/10,b3=b%10; //获取 b 的每一位 //枚举修改哪一位 //如果修改第一个数,就把其中某一位换成 9 (这显然是最大的) //如果修改第二个数,就把其中某一位换成 1或0 (注意百位不能为0) t=(9*100+a2*10+a3)-(b1*100+b2*10+b3); if(t>ans) ans=t; t=(a1*100+9*10+a3)-(b1*100+b2*10+b3); if(t>ans) ans=t; t=(a1*100+a2*10+9)-(b1*100+b2*10+b3); if(t>ans) ans=t; t=(a1*100+a2*10+a3)-(1*100+b2*10+b3); if(t>ans) ans=t; t=(a1*100+a2*10+a3)-(b1*100+0*10+b3); if(t>ans) ans=t; t=(a1*100+a2*10+a3)-(b1*100+b2*10+0); if(t>ans) ans=t; printf("%d\n",ans); //题目要求输出答案后需要有一个换行,\n表示的是换行符 }
Submission Info
Submission Time | |
---|---|
Task | A - A - B problem |
User | luogu_bot5 |
Language | C++ (GCC 5.4.1) |
Score | 100 |
Code Size | 897 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 128 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:4:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&a,&b); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 100 / 100 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample_0.txt, sample_1.txt, sample_2.txt |
All | ansneg_0.txt, ansneg_1.txt, ansneg_2.txt, ansneg_3.txt, ansneg_4.txt, ansneg_5.txt, ansneg_6.txt, ansneg_7.txt, ansneg_8.txt, ansneg_9.txt, handmade_0.txt, handmade_1.txt, random_0.txt, random_1.txt, random_2.txt, random_3.txt, random_4.txt, random_5.txt, random_6.txt, random_7.txt, random_8.txt, random_9.txt, sample_0.txt, sample_1.txt, sample_2.txt, top2fixed_0.txt, top2fixed_1.txt, top2fixed_2.txt, top2fixed_3.txt, top2fixed_4.txt, top2fixed_5.txt, top2fixed_6.txt, top2fixed_7.txt, top2fixed_8.txt, top2fixed_9.txt, topfixed_0.txt, topfixed_1.txt, topfixed_2.txt, topfixed_3.txt, topfixed_4.txt, topfixed_5.txt, topfixed_6.txt, topfixed_7.txt, topfixed_8.txt, topfixed_9.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
ansneg_0.txt | AC | 1 ms | 128 KB |
ansneg_1.txt | AC | 1 ms | 128 KB |
ansneg_2.txt | AC | 1 ms | 128 KB |
ansneg_3.txt | AC | 1 ms | 128 KB |
ansneg_4.txt | AC | 1 ms | 128 KB |
ansneg_5.txt | AC | 1 ms | 128 KB |
ansneg_6.txt | AC | 1 ms | 128 KB |
ansneg_7.txt | AC | 1 ms | 128 KB |
ansneg_8.txt | AC | 1 ms | 128 KB |
ansneg_9.txt | AC | 1 ms | 128 KB |
handmade_0.txt | AC | 1 ms | 128 KB |
handmade_1.txt | AC | 1 ms | 128 KB |
random_0.txt | AC | 1 ms | 128 KB |
random_1.txt | AC | 1 ms | 128 KB |
random_2.txt | AC | 1 ms | 128 KB |
random_3.txt | AC | 1 ms | 128 KB |
random_4.txt | AC | 1 ms | 128 KB |
random_5.txt | AC | 1 ms | 128 KB |
random_6.txt | AC | 1 ms | 128 KB |
random_7.txt | AC | 1 ms | 128 KB |
random_8.txt | AC | 1 ms | 128 KB |
random_9.txt | AC | 1 ms | 128 KB |
sample_0.txt | AC | 1 ms | 128 KB |
sample_1.txt | AC | 1 ms | 128 KB |
sample_2.txt | AC | 1 ms | 128 KB |
top2fixed_0.txt | AC | 1 ms | 128 KB |
top2fixed_1.txt | AC | 1 ms | 128 KB |
top2fixed_2.txt | AC | 1 ms | 128 KB |
top2fixed_3.txt | AC | 1 ms | 128 KB |
top2fixed_4.txt | AC | 1 ms | 128 KB |
top2fixed_5.txt | AC | 1 ms | 128 KB |
top2fixed_6.txt | AC | 1 ms | 128 KB |
top2fixed_7.txt | AC | 1 ms | 128 KB |
top2fixed_8.txt | AC | 1 ms | 128 KB |
top2fixed_9.txt | AC | 1 ms | 128 KB |
topfixed_0.txt | AC | 1 ms | 128 KB |
topfixed_1.txt | AC | 1 ms | 128 KB |
topfixed_2.txt | AC | 1 ms | 128 KB |
topfixed_3.txt | AC | 1 ms | 128 KB |
topfixed_4.txt | AC | 1 ms | 128 KB |
topfixed_5.txt | AC | 1 ms | 128 KB |
topfixed_6.txt | AC | 1 ms | 128 KB |
topfixed_7.txt | AC | 1 ms | 128 KB |
topfixed_8.txt | AC | 1 ms | 128 KB |
topfixed_9.txt | AC | 1 ms | 128 KB |