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#include <stdio.h> void fizzbuzz(int n) { int next; int i = 1; do { printf(i % 15 ? i % 5 ? i % 3 ? "%d\n" : "Fizz\n" : "Buzz\n" : "FizzBuzz\n", i); if (i++ >= n) next = 0; } while (next); } int main(void) { printf((char[]){""}); // ã“ã®ä½ç½®ã«printfãŒç„¡ã„ã¨ãªãœã‹å‹•ã‹ãªã„ fizzbuzz(100); } gcc 10.1.0 ã‚’ä½¿ç”¨ã—ã€ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ãŒæ„ŸçŸ¥ã—ãŸãƒŸã‚¹ã«ã¯è¦å‘Šã‚’å‡ºåŠ›ã—ã¦ãã‚Œã‚‹æ§˜ -Wall -Wextra ã‚’æŒ‡å®šã—ã€æœ€é©åŒ–æŒ‡ç¤ºãªã—ã§ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã€å‹•ä½œã•ã›ãŸã¨ã“ã‚å‹•ä½œã™ã‚‹ãŒ Wandboxã§å®Ÿè¡Œ main() ã®ä¸ã®ä½•ã‚‚å‡ºåŠ›ã—ã¦ã„ãªã„ printf(
issm 2020/10/20
c

programming
ãƒªãƒ³ã‚¯
printfã«4285å€‹ã‚¢ã‚¹ã‚¿ãƒªã‚¹ã‚¯ã‚’ã¤ã‘ã‚‹ã¨clang++ãŒæ»ã¬ - Qiita
def check(n) s = "*"*n f = open("test.cpp","w") f.puts <<EOS #include <cstdio> int main(){ (#{s}printf)("Hello World\\n"); } EOS f.close() return system("clang++ test.cpp") end check(ARGV[0].to_i) $ ruby check.rb 10000 clang: error: unable to execute command: Illegal instruction: 4 clang: error: clang frontend command failed due to signal (use -v to see invocation) Apple LLVM version 10.0.1 (clang
issm 2019/08/28
clang

c

programming

neta

qiita
ãƒªãƒ³ã‚¯
ã‚¨ã‚¹ã‚±ãƒ¼ãƒ—ã‚·ãƒ¼ã‚±ãƒ³ã‚¹
â—‹ã‚¨ã‚¹ã‚±ãƒ¼ãƒ—ã‚·ãƒ¼ã‚±ãƒ³ã‚¹ ã‚¨ã‚¹ã‚±ãƒ¼ãƒ—ã‚·ãƒ¼ã‚±ãƒ³ã‚¹ã¨ã¯ã‚¿ãƒ¼ãƒŸãƒŠãƒ«ã‚’åˆ¶å¾¡ï¼ˆã‚«ãƒ¼ã‚½ãƒ«ä½ç½®ã‚„è‰²ãªã©ï¼‰ã™ã‚‹åˆ¶å¾¡æ–‡å—ã‚’ã‚ã‚‰ã‚ã—ã€ ESC : 8é€²æ•°ã§033 ã‹ã‚‰å§‹ã¾ã‚‹æ–‡å—åˆ—ã§ã™ Cè¨€èªžã§ã¯printfã§å‡ºåŠ›ã—ã¦ã‚¿ãƒ¼ãƒŸãƒŠãƒ«ã‚’åˆ¶å¾¡ã—ã¾ã™ printf("\033[2J") //ç”»é¢ã‚¯ãƒªã‚¢ printf("\033[0K") //ã‚«ãƒ¼ã‚½ãƒ«ä½ç½®ã‹ã‚‰ãã®è¡Œã®å³ç«¯ã¾ã§ã‚’ã‚¯ãƒªã‚¢ printf("\033[1K") //ã‚«ãƒ¼ã‚½ãƒ«ä½ç½®ã‹ã‚‰ãã®è¡Œã®å·¦ç«¯ã¾ã§ã‚’ã‚¯ãƒªã‚¢ printf("\033[2K") //ã‚«ãƒ¼ã‚½ãƒ«ä½ç½®ã®è¡Œã‚’ã‚¯ãƒªã‚¢ printf("\033[%d;%dH" ,10,20) //ã‚«ãƒ¼ã‚½ãƒ«ä½ç½®ã‚’ã€é«˜ã•10è¡Œç›®ã€æ¨ª20è¡Œç›®ã«ç§»å‹• printf("\033[%dC" ,10) //ã‚«ãƒ¼ã‚½ãƒ«ã‚’10è¡Œã ã‘å³ã«ç§»å‹• printf("\033[%dD" ,10) //ã‚«ãƒ¼ã‚½ãƒ«ã‚’10è¡Œã ã‘å·¦ã«ç§»å‹• printf("\033[%
issm 2012/07/06
programming

terminal

cui

c
ãƒªãƒ³ã‚¯
ã„ã‚„ãªãƒ–ãƒã‚°: Linux ã®å…±æœ‰ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’ä½œã‚‹ã¨ã PIC ã§ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã™ã‚‹ã®ã¯ãªãœã‹
Linux ã®å…±æœ‰ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’ä½œã‚‹ã¨ã PIC ã§ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã™ã‚‹ã®ã¯ãªãœã‹ é€šå¸¸ã€Linux ã®å…±æœ‰ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’ä½œã‚‹ã¨ãã¯å„ .c ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ PIC (Position Independent Code) ã¨ãªã‚‹ã‚ˆã†ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã—ã¾ã™ã€‚ã—ã‹ã—ã€å®Ÿã¯ PIC ã§ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã—ãªãã¦ã‚‚å…±æœ‰ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã¯ä½œã‚Œã¾ã™ã€‚ãã‚Œã§ã¯ PIC ã«ã™ã‚‹æ„å‘³ã¯ã‚ã‚‹ã®ã§ã—ã‚‡ã†ã‹ã€‚ ã•ã£ããå®Ÿé¨“ã—ã¦ã¿ã¾ã™ã€‚ int func () { printf(""); printf(""); printf(""); } PIC ã§ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã™ã‚‹ã«ã¯ gcc ã« -fpic ã¾ãŸã¯ -fPIC ã‚’æ¸¡ã—ã¾ã™ã€‚-fpic ã®æ–¹ãŒå°ã•ãé«˜é€Ÿãªã‚³ãƒ¼ãƒ‰ã‚’ç”Ÿæˆã™ã‚‹å¯èƒ½æ€§ãŒã‚ã‚Šã¾ã™ãŒã€ãƒ—ãƒã‚»ãƒƒã‚µã«ã‚ˆã£ã¦ã¯ -fpic ã§ç”Ÿæˆã§ãã‚‹ GOT (Global Offset Table) ã®ã‚µã‚¤ã‚ºã«åˆ¶é™ãŒã‚ã‚Šã¾ã™ã€‚ä¸€æ–¹ã€-fPIC ã¯ã©ã®ãƒ—ãƒã‚»ãƒƒã‚µã§
issm 2012/01/12
linux

compile

c

c++

programming
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issm 2010/08/21
Perlã‚§ï¼Žï¼Žï¼Ž

programming

python

ruby

php

java

c

c++

javascript

objective-c

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ãƒ¤ãƒ•ãƒ¼æ ªå¼ä¼šç¤¾ã¯ã€2023å¹´10æœˆ1æ—¥ã«LINEãƒ¤ãƒ•ãƒ¼æ ªå¼ä¼šç¤¾ã«ãªã‚Šã¾ã—ãŸã€‚LINEãƒ¤ãƒ•ãƒ¼æ ªå¼ä¼šç¤¾ã®æ–°ã—ã„ãƒ–ãƒã‚°ã¯ã“ã¡ã‚‰ã§ã™ã€‚LINEãƒ¤ãƒ•ãƒ¼ Tech Blog ã“ã‚“ã«ã¡ã¯ã€Yahoo!ã‚·ãƒ§ãƒƒãƒ”ãƒ³ã‚°æ‹…å½“ã®å‰é‡Žã§ã™ã€‚ ä»Šå›žã¯ã‚¿ã‚¤ãƒˆãƒ«ã®é€šã‚Šã€headã‚³ãƒžãƒ³ãƒ‰ã¨tailã‚³ãƒžãƒ³ãƒ‰ã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’èªã‚“ã§ã„ããŸã„ã¨æ€ã„ã¾ã™ã€‚ â– ã¯ã˜ã‚ã« çš†ã•ã‚“ã”å˜ã˜ã®é€šã‚Šã€headã‚³ãƒžãƒ³ãƒ‰ã¯ãƒ•ã‚¡ã‚¤ãƒ«ã®å…ˆé ã‹ã‚‰nè¡Œ(ãƒã‚¤ãƒˆ)ã‚’å‡ºåŠ›ã—ã€ tailã‚³ãƒžãƒ³ãƒ‰ã¯ãƒ•ã‚¡ã‚¤ãƒ«ã®æœ«å°¾ã‹ã‚‰nè¡Œ(ãƒã‚¤ãƒˆ)ã‚’å‡ºåŠ›ã™ã‚‹ã‚³ãƒžãƒ³ãƒ‰ã§ã™ã€‚ ã»ã‹ã«ã‚‚ãƒ‘ã‚¤ãƒ—ã®å…¥åŠ›ã«ä½¿ã£ãŸã‚Šã€[tail -f]ã§ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã®å‡ºåŠ›ç›£è¦–ã«ä½¿ã£ãŸã‚Šã¨ã€ UNIXã‚’ä½¿ã†ä¸Šã§ã¯æ¬ ã‹ã›ãªã„ã‚³ãƒžãƒ³ãƒ‰ã¨è¨€ãˆã‚‹ã§ã—ã‚‡ã†ã€‚ headã¨tailã¯è¦‹ãŸç›®ã®å‹•ä½œã¯ä¼¼ã¦ã„ã‚‹ã‚ˆã†ã§ã™ãŒã€ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã®ä¸ã¯çµæ§‹é•ã„ã¾ã™ã€‚ ã•ã£ããè¦‹ã¦ã„ãã¾ã—ã‚‡ã†ã€‚ ï¼œheadã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ï¼ž http://www.
issm 2009/06/19
c

linux

unix

programming
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issm 2008/12/17
dankogai

programming

education

language

c
ãƒªãƒ³ã‚¯
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issm 2008/12/03
c

omake

programming
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issm 2008/01/28
programming

c

scheme

algorithm

study
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