Input.txt X (-231 <= X <= 231-1) Y (-231 <= Y <= 231-1).
Output.txt R OVERFLOW 1251 .
| Input.txt | Output.txt |
| - 2147483647 1 | -2147483647 |
| Input.txt | Output.txt |
| -2147483648 2147483647 | OVERFLOW |
1. 0. "Runtime Error". C C++ , int main() 0.
- . , Security Violation.
3. . .
| Pascal/Delphi begin assign(input, 'input.txt'); assign(output, 'output.txt'); reset(input); rewrite(output); {...} close(input); close(output); end. | C #include <stdio.h> int main() { freopen("input.txt","r",stdin); freopen("output.txt","w",stdout); //... return 0; } |
32- X Y. R = X - Y , . , 231-1 -231. R, OVERFLOW.
Input.txt X (-231 <= X <= 231-1) Y (-231 <= Y <= 231-1).
Output.txt R OVERFLOW 1251 .
| Input.txt | Output.txt |
| -2147483647 1 | -2147483648 |
| Input.txt | Output.txt |
| -2147483648 1 | OVERFLOW |
32- X Y. R = X + Y , . , 231-1 -231. R, OVERFLOW.
|
|
|
Input.txt X (-231 <= X <= 231-1) Y (-231 <= Y <= 231-1).
Output.txt R OVERFLOW 1251 .
| Input.txt | Output.txt |
| 2147483646 1 |
| Input.txt | Output.txt |
| 1 2147483647 | OVERFLOW |
2.
( ). , .
(Y or X and (Y or not X)) ↔ (not X or (X and Y) or not Y)
( ). , .
(not X and (not X or not Y)) → (not X → ((X and Y) or X))
( ). , .
((not X or Y) → Y) ↔ ((not X → (not X or Y)) or X)
12 (3 )
, ( ). 100 . , , . . , , . , 0.
Input.txt X (0 <= Xi <= 100). . 10 100.
Output.txt . .
| Input.txt | Output.txt |
| 80 50 40 80 75 30 75 50 20 70 | 0 3 |
, . 100 . , . , . . , .
Input.txt X (0 <= Xi <= 100). . 10 100.
Output.txt . .
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|
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