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Cã«é–¢ã™ã‚‹rryuã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (7)

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ã€Œã“ã®ä½ç½®ã«ï½ï½’ï½‰ï½Žï½”ï½†ãŒç„¡ã„ã¨ãªãœã‹å‹•ã‹ãªã„ã‚“ã ã€‚ã€ - Qiita
ã¯ã˜ã‚ã« å…ˆæ—¥ãƒ„ã‚¤ãƒƒã‚¿ãƒ¼ã§è¦‹ã‹ã‘ãŸå‘Ÿã pic.twitter.com/33Yk02hu1U â€” TOMO (@tomozh) October 14, 2020 ãã†ã„ã†ã“ã¨ã‚‚ã‚ã‚‹ã®ã‹çš„ãªåå¿œã‚‚ã‚ã‚‹ã‚ˆã†ãªã®ã§å…·ä½“ä¾‹ã‚’æŒ™ã’ã¦ã¿ã‚‹ã“ã¨ã«ã™ã‚‹ã€‚ ä¾‹1 æ‰€è¬‚FizzBuzzå•é¡Œã€‚ #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„ fizzbuz
rryu 2020/10/19
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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
rryu 2019/08/21
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ã“ã®è¨˜äº‹è©±é¡Œã«ãªã£ã¦ã¾ã™ãã€‚ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ãƒ›ãƒ¼ãƒ«ã®å®çŸ³ç®±ã‚„ï¼ã£ã¦æ„Ÿã˜ã€‚ https://qiita.com/hamichamp/it ems/7b7a7ee091a6856ac900 åŒã˜ä½œè€…ã®è¨˜äº‹ã§ã€å•é¡Œã‚ã‚‹ã®ãŒã¾ã ã¾ã æŽ˜ã‚Œãã†ã ãªãã¨æ€ã£ãŸã®ã§ã€ã‚ãƒ£ã‚¹ãƒˆã®è¨˜äº‹ã«ã¤ã„ã¦çªã£è¾¼ã‚“ã§ã¿ã¾ã™ã€‚ https://www.sejuku.net/blog/25737 æ•°å€¤åž‹ã®ç²¾åº¦ ã¾ãšæ•°å€¤ã®ç²¾åº¦ã«ã¤ã„ã¦ã€ä»¥ä¸‹ã®é †ã¨ç´¹ä»‹ã•ã‚Œã¦ã‚‹ã‘ã©ã€æ˜Žã‚‰ã‹ã«é–“é•ã„ã§ã™ãã€‚ ç²¾åº¦ã®é †åºã¯ä¸‹è¨˜ã®ã¨ãŠã‚Šã§ã™ã€‚ doubleåž‹ > floatåž‹ > long (int)åž‹ > intåž‹ > short (int)åž‹ > charåž‹ longã¨floatã®ã©ã¡ã‚‰ãŒç²¾åº¦ãŒè‰¯ã„ã‹?longã§è¡¨ã›ã‚‹æ•´æ•°ç¯„å›²ã«é™ã£ã¦ã¯åä¸å…«ä¹longã®æ–¹ãŒè‰¯ã„ã§ã™ã€‚ (å‡¦ç†ç³»ä¾å˜ã®è©±ã§ã™ãŒä¸€èˆ¬çš„ãªx86PCã§ã‚ã‚Œã°)longåž‹ã¨floatåž‹ã¯ã¨ã‚‚ã«32b
rryu 2018/10/29
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Cè¨€èªžã¯ã‚‚ã†ã‹ã‚Œã“ã‚Œ10å¹´ãã‚‰ã„æ›¸ã„ã¦ã„ãªã„ã‘ã©ã€æµçŸ³ã«ã“ã‚Œã¯ãƒ¤ãƒã„ã€‚ æ£ç›´ãªæ„Ÿæƒ³ã¨ã—ã¦ã€ãƒ–ãƒ©ãƒ³ãƒ‰æ¯€æã™ã‚‹ãã‚‰ã„ã®å±é™ºæ€§ã‚’ã¯ã‚‰ã‚“ã§ã„ã‚‹ã¨æ€ã†ã€‚ å½“è©²è¨˜äº‹ã‹ã‚‰ã‚³ãƒ”ãƒ¼ã—ã¦ããŸã€‚ #include <stdio.h> #include <stdlib.h> // æ§‹é€ ä½“ã®å®£è¨€ typedef struct { int num; char *str; } strct; int main(void) { // å®Ÿä½“ã‚’ç”Ÿæˆ strct *entity; // å‹•çš„ãƒ¡ãƒ¢ãƒªã®ç¢ºä¿ã€‚ç¢ºä¿ã—ãŸãƒ¡ãƒ¢ãƒªã‚’strctåž‹ãƒã‚¤ãƒ³ã‚¿ã«ã‚ãƒ£ã‚¹ãƒˆã€‚ entity = (strct*)malloc(sizeof(strct)); // ãƒ¡ãƒ³ãƒã®åˆæœŸåŒ– entity->num = 0; entity->str = (char*)malloc(sizeof(32)); // ãƒ¡ãƒ¢ãƒªã«æ–‡å—åˆ—ã‚’ä»£å…¥ sprintf(entity->s
rryu 2018/10/17
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ã™ã”ã„Cè¨€èªžã®ãƒžã‚¯ãƒ __is_constexpr - Qiita
#define __is_constexpr(x) \ (sizeof(int) == sizeof(*(8 ? ((void *)((long)(x) * 0l)) : (int *)8))) #include<stdio.h> #define Def 10 #define __is_constexpr(x) \ (sizeof(int) == sizeof(*(8 ? ((void *)((long)(x) * 0l)) : (int *)8))) enum test{Enum}; int main(){ int Val = 10; const int Const_val = 10; int a = __is_constexpr(Val); int b = __is_constexpr(Const_val); int c = __is_constexpr(10); int d = __
rryu 2018/04/19
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2013/04/30 ã‚¿ã‚¤ãƒˆãƒ«ä¿®æ£ æ˜¨æ—¥ã€ã¨ã‚ã‚‹å ´æ‰€ã§ã“ã‚“ãªè©±ã§ç››ã‚Šä¸ŠãŒã£ãŸã€‚ é€†ãƒãƒ¼ãƒ©ãƒ³ãƒ‰è¨ˆç®—æ©Ÿã‚’ä½œã‚ã†ã¨æ€ã£ãŸã‚“ã ã‘ã©ã€ã©ã†ã‚‚çµæžœãŒæœŸå¾…é€šã‚Šã«ãªã‚‰ãªã„ã€‚ ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’è¦‹ã›ã¦è²°ã†ã¨ä»¥ä¸‹ã®æ§˜ãªã‚³ãƒ¼ãƒ‰ã ã£ãŸã€‚ #include<stdio.h> #include<stdlib.h> #define MAX_SIZEÂ 100 intÂ stack[MAX_SIZE]; intÂ stack_pointer =Â 0; voidÂ push(intÂ data){ stack[stack_pointer++] = data; } intÂ pop(){ returnÂ stack[--stack_pointer]; } intÂ pop1(intÂ n){ printf("popÂ %d\n", n); returnÂ stack[--stack_pointer]; } intÂ main(void){ charÂ s
rryu 2015/11/18
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rryu 2012/12/12
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