View Code of Problem 3855

#include<stdio.h>
#include<string.h>
#include<math.h>

int main(){
	int n,i;
	scanf("%d",&n);
	int sum;
	char a[1000];

	while(n--){
		sum=0;
		scanf("%s",a);
		int num=0;
		int sum=0;	
		int flag=1;
		for(i=0;i<strlen(a);i++){
			if(a[i]>='0'&&a[i]<='9'){
				while(a[i]>='0'&&a[i]<='9'){
					num=num*10+(a[i]-'0');
					i++;
				}
					i--;
			}
			else{
				if(a[i]=='+'){
				 flag=1;
				 num=0;
				}
			
				else {
				flag=0;
				num=0;
			}
				
			}
			if(flag)
					sum+=num;
				else
					sum-=num;
					
		}
		printf("%d\n",sum);
	}
	
	
}