#include <stdio.h>
int main(){
int a,b;
while(scanf("%d%d",&a,&b)!=EOF && !(a==0&&b==0))
printf("%d\n",a+b);
}
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while(~scanf("%d%d",&m,&n))等同于while (scanf("%d%d",&m,&n)!=EOF)
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#include <stdio.h>
int main(){
int n,i,j,sum ;
while(1){
scanf("%d",&n);
if(n!=0){
sum = 0;
for(i = 0;i<n;i++){
scanf("%d",&j);
sum+=j;
}
printf("%d\n",sum);
}
else{
break;}
}
}//1902
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#include <stdio.h>
int main(){
int n,i,j,sum,m ;
scanf("%d",&m);
while(m--){
scanf("%d",&n);
if(n!=0){
sum = 0;
for(i = 0;i<n;i++){
scanf("%d",&j);
sum+=j;
}
printf("%d\n",sum);
}
else{
break;}
}
}//1903
---------------------------------------分隔符-------------------------------------------------------------------
#include <stdio.h>
int main(){
while(scanf("%d")!= EOF){
int i=0,j=0,sum=0,first;
scanf("%d",&first);
for(i = 0;i<first;i++){
scanf("%d",&j);
sum += j;
}
printf("%d\n",sum);
}
}
4
---------------------------------------分隔符-------------------------------------------------------------------
#include <stdio.h>
int main(){
while(scanf("%d")!=EOF){
int i,j,sum,first;
scanf("%d",&first);
for(i =0;i< first;i++){
scanf("%d",&j);
sum+=j;}
printf("%d",sum);
}
}
---------------------------------------分隔符-------------------------------------------------------------------
#include <stdio.h>
int main(){
int i,j,sum=0,first;int flag=0;
while(scanf("%d",&first)!=EOF){
sum=0;
for(i =0;i< first;i++){
scanf("%d",&j);
sum+=j;}//仅之间有空格 第一个无设标记位，后每个前面都有
if(flag==1)printf("n");
else flag=1;
printf("%d\n",sum);
}
}
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#include <stdio.h>
#define maxsize 32575
typedef int SElemType;
typedef struct stack{
SElemType *base,*top;
int stacksize;
}stack;
int Initstack(stack &S){ &s S *S &S
S.base = new SElemType[maxsize];
if(!S.base)
return -1;
S.base = S.top;
S.stacksize = maxsize;
return 0;
}
int push(stack &S,SElemType e){
if(S.top -S.base == S.stacksize)
return -1;
*(S.top++) = e;
return e;
}
int pop(stack &S,SElemType &e){
if(S.top == S.base)
return -1;
e = *--S.top;
return 1;
}
int stackEmpty(stack S){
if(S.base == S.top)
return -1;
return 0;
}
//十进制转换为八进制
int main(int a){
stack S;
SElemType e;
Initstack(S);
stackEmpty(S);
scanf("%d",&a);
while(a){
push(S,a%8);
a = a/8;
}
while(!stackEmpty(S)){
pop(S,e);
printf("%d",e);
}
return 0;
}
---------------------------------------分隔符-------------------------------------------------------------------
#include <stdio.h>
int main(){
int i,j,sum=0,first;int flag=0;
while(scanf("%d",&first)!=EOF){
sum=0;
for(i = 0;i<first;i++){
scanf("%d",&j);
sum += j;
}
printf("%d\n",sum);
}
}
//1094