璁＄畻涓や釜1000浣嶄互鍐呮暣鏁扮殑鍜?br>杈撳叆
2
1 2
112233445566778899 998877665544332211
杈撳嚭
Case 1:
1 + 2 = 3
Case 2:
112233445566778899 + 998877665544332211 = 1111111111111111110
#include <iostream> using namespace std;int main()
{
int T, count_T; char a[1001], b[1001], ans[1002]; cin >> T;
for(count_T=1; count_T <= T; count_T++) { cin >> a >> b; if(count_T==1) { cout << "Case " << count_T << ":" << endl;
} else { cout << "\nCase " << count_T << ":" << endl; } cout << a << " + " << b << " = "; int la=strlen(a)-1, lb=strlen(b)-1, sign=0, i; for(i=0;la>=0 && lb>=0; la--,lb--,i++) { sign += a[la] + b[lb] - '0' - '0'; ans[i] = sign % 10; sign /= 10; } for(; la>=0; la--, i++) { sign += a[la] - '0'; ans[i] = sign % 10; sign /= 10; } for(; lb>=0; lb--, i++) { sign += b[lb] - '0'; ans[i] = sign % 10; sign /= 10; } if(sign) { ans[i] = sign; i++; } for(i--; i>=0; i--) { cout << (char)(ans[i] + '0'); } cout << endl; } return(0);
}]]>
璁＄畻1+2+3+...+n
#include<iostream>using namespace std;int main(){ int n, temp, sum; for(;cin>>n;){ sum=0; for(temp=1; temp<=n; temp++) sum+=temp; cout << sum << endl << endl; } return(0);}
]]>
璁＄畻A+B錛岃緭鍏ユ暟鎹湁澶氱粍錛孉C鐨勫叧閿槸浣跨敤C++鐨勮緭鍏ラ敊璇祦銆?/p>
1#include <iostream>
2 using namespace std;
3int main()
4{
5 int a, b;
6 while( cin>>a>>b ) {
7 cout << a+b << endl;
8 }
9 return(0);
10}
11
#include <iostream>2
using namespace std;3
int main()4
{5
int a, b;6
while( cin>>a>>b ) {7
cout << a+b << endl;8
}9
return(0);10
}11
]]>