View Compilation Error

0_0_18504438_11543.cpp:26:16: error: stray '\243' in program
                if(dp[j]>dp[j-offer[i].a]*（1-offer[i].b)）
                ^
0_0_18504438_11543.cpp:26:16: error: stray '\250' in program
0_0_18504438_11543.cpp:26:16: error: stray '\243' in program
0_0_18504438_11543.cpp:26:16: error: stray '\251' in program
0_0_18504438_11543.cpp:5:9: error: 'structOffer' does not name a type
 typedef structOffer
         ^
0_0_18504438_11543.cpp:9:2: error: 'Offer' does not name a type
 }Offer;
  ^
0_0_18504438_11543.cpp:10:1: error: 'Offer' does not name a type
 Offer offer[1001];
 ^
0_0_18504438_11543.cpp: In function 'int main()':
0_0_18504438_11543.cpp:20:27: error: 'offer' was not declared in this scope
            scanf("%d%lf",&offer[i].a,&offer[i].b);
                           ^
0_0_18504438_11543.cpp:24:23: error: 'offer' was not declared in this scope
            for(j=n;j>=offer[i].a;j--)
                       ^
0_0_18504438_11543.cpp:32:1: error: expected ';' before '}' token
 }
 ^