杭电OJ(HDU)-ACMSteps-Chapter Two-《An Easy Task》《Buildings》《decimal system》《Vowel Counting》

http://acm.hdu.edu.cn/game/entry/problem/list.php?chapterid=1§ionid=2

1.2.5
#include<stdio.h>
/*
题意：找闰年。
if((i%4==0 && i%100!=0) || i%400==0)count++;
3
2005 25
1855 12
2004 10000
2108
1904
43236
*/
int main()
{
int t,y,n;
int i,count=0;
while(scanf("%d",&t)==1)
{
while(t--)
{
count = 0;
scanf("%d%d",&y,&n);
for (i=y;count<n;i++)
{
if((i%4==0 && i%100!=0) || i%400==0)
count++;
}
printf("%d\n",i-1);
}
}
return 0;
}

1.2.6
#include "stdafx.h"
/*
题意：计算每行1的个数
2
2 2
1 1
0 0
3 3
1 0 1
0 0 1
1 1 0

2
5
*/
#include <cstdio>
#include <cstdlib>
#include <stdio.h>
int main(){
int n, m, z;
scanf("%d", &z);
int c=0;
//int r=0,g=0;
int *r;
while (z-- != 0)
{
scanf("%d%d", &n,&m);
while(n-- != 0)
{
r = (int*)malloc(sizeof(int)*m);
for (int i = 0; i < m;++i)
{
scanf("%d",r+i);
if (r[i] == 1)
c++;
}
}
printf("%d\n", c);
c = 0;
}
return 0;
}

1.2.7
#include<stdio.h>
/*
题意：转10进制做加法
3
1(2)
2(3)
3(4)

4
11(10)
11(2)
11(3)
11(4)

6
23
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int sum;

int pow(int x, int i)
{
if(i == 0)
return 1;
else if(i == 1)
return x;
else
return x * pow(x, i - 1);
}

void fun(int x, int n)
{
int i = 0, p;
while(x) {
p = x % 10;
sum += p * pow(n, i);
x = x / 10;
i++;
}
}
int main( )
{
int N, a,b, i;
while(scanf("%d", &N)!=EOF)
{
sum = 0;
for(i = 1; i <= N; i++)
{
scanf("%d(%d)",&a, &b);
if (b == 10)
{
sum += a;
continue;
}
fun(a, b);
}
printf("%d\n",sum);
}
return 0;
}

1.2.8
/*
题意：元音词，数组映射,aAeEiIoOuU
4
XYz
application
qwcvb
aeioOa

xyz
ApplIcAtIOn
qwcvb
AEIOOA
*/
#include <iostream>
#include <string>
#include <cstring>
#include <cstdio>
using namespace std;
int alpha[256];
int main(){
int n;
char text[55];
alpha['a']=alpha['A']=alpha['e']=alpha['E']=alpha['i']=alpha['I']=alpha['o']=alpha['O']=alpha['u']=alpha['U']=1;
while(scanf("%d",&n)!=EOF){
while(n--){
scanf("%s",text);
int len=strlen(text);
for(int i=0;i<len;++i){
if(alpha[text[i]]){
putchar(toupper(text[i]));
}else{
putchar(tolower(text[i]));
}
}
puts("");
}
}
return 0;
}