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BOOL is_product_overflow(long a, long b) { | |
long prod = a * b; | |
return (prod / b != a); | |
} |
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#include <limits.h> | |
BOOL is_sum_overflow(long a, long b) { | |
if (a < LONG_MAX / 2) { | |
if (b < LONG_MAX / 2) | |
return FALSE; | |
else | |
return ((b - LONG_MAX / 2) + a > LONG_MAX / 2); | |
} | |
else { |
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BOOL is_sum_overflow(long a, long b) { | |
long sum = a + b; | |
return (sum < 0); | |
} |
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#!/usr/local/bin/node | |
var minErr = 4; | |
for (var i = 1; i < 100000000; i++) { | |
var j = Math.floor(Math.PI * i); | |
var err = Math.abs(Math.PI - (j/i)); | |
var err1 = Math.abs(Math.PI - ((j+1)/i)); |
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typedef _Person { | |
char* name; //名前 | |
int age; //年齢 | |
int sex; //性別 (0:男性 1:女性) | |
} Person; |
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pp.Scale9SpriteTiled = cc.Scale9Sprite.extend({ | |
_updatePositions: function () { | |
this._super(); | |
this._addChildInsteadOfScaling(this._top); | |
this._addChildInsteadOfScaling(this._bottom); | |
this._addChildInsteadOfScaling(this._left); | |
this._addChildInsteadOfScaling(this._right); |
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void command() { | |
SELECT_COMMAND: | |
int ret = select_command("どうする?"); | |
switch (ret) { | |
case SEL_ATTACK: | |
goto SELECT_ATTACK_TYPE; | |
case SEL_ESCAPE: | |
goto ESCAPE; | |
case SEL_CANCEL: |
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int send_packet_to_device (void* packet) { | |
int ret; | |
ret = open_device(); | |
if (ret != OK) { | |
printf("Device could not be opened!\n"); | |
goto ERROR; | |
} | |
ret = send_packet(packet); |
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int find_something () { | |
int i, j; | |
for (i = 0; i < IMAX; i++) { | |
for (j = 0; j < JMAX; j++) { | |
int is_found = find_at(i, j); | |
if (is_found) goto EXIT_LOOP; | |
} | |
} | |
EXIT_LOOP: | |
return i*JMAX+j; |
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/* | |
* Copyright (c) 2013-2014 Chukong Technologies Inc. | |
* | |
* Permission is hereby granted, free of charge, to any person obtaining a copy | |
* of this software and associated documentation files (the "Software"), to deal | |
* in the Software without restriction, including without limitation the rights | |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
* copies of the Software, and to permit persons to whom the Software is | |
* furnished to do so, subject to the following conditions: | |
* |
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