View Code of Problem 3855

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

int main(){
	int t;
	scanf("%d",&t);
	getchar();
	char s[10000]; 
	while(t--){
		scanf("%s",s);
		getchar();
		int result=0;
		for(int i=0;i<strlen(s);i++){
			if(s[i]=='-'){
				int j=s[++i]-'0';
				while(i+1<strlen(s)&&s[i+1]!='+'&&s[i+1]!='-'){
					j=j*10+s[i+1]-'0';
					i++; 
				}
				result-=j;
			}else if(s[i]=='+'){
				int j=s[++i]-'0';
				while(i+1<strlen(s)&&s[i+1]!='+'&&s[i+1]!='-'){
					j=j*10+s[i+1]-'0';
					i++;
				}
				result+=j;
			}else{
				int j=s[i]-'0';
				while(i+1<strlen(s)&&s[i+1]!='+'&&s[i+1]!='-'){
					j=j*10+s[i+1]-'0';
					i++;
				}
				result=j;
			}
		}
		printf("%d\n",result);
	} 
}