或和且的符号 c语言符号且与或
C\u8bed\u8a00\u91cc\u4e14\u548c\u6216\u662f\u4ec0\u4e48\u7b26\u53f7\u5206\u522b\u662f&&\u548c||\u3002
c\u8bed\u8a00\u4e2d\u7684&&\u6709\u4e09\u79cd\u4f7f\u7528\u65b9\u5f0f\u3002
1 \u3001\u53d6\u5730\u5740\u64cd\u4f5c\u7b26\u3002
\u5355\u76ee\u8fd0\u7b97\uff0c\u4e0e\u5176\u540e\u7684\u53d8\u91cf\u6216\u5e38\u91cf\u7ec4\u5408\uff0c\u7528\u4e8e\u83b7\u53d6\u8be5\u64cd\u4f5c\u6570\u7684\u5185\u5b58\u5730\u5740\u3002
2 \u3001\u4f4d\u64cd\u4f5c\u4e2d\u7684\u6309\u4f4d\u4e0e\u64cd\u4f5c
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3 \u3001\u5f53\u4e24\u4e2a&&\u7b26\u53f7\u540c\u65f6\u4f7f\u7528\uff0c\u5373&&\u7b26\u53f7\u3002
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\u5f53&&\u4e24\u8fb9\u5747\u4e3a\u771f\u65f6\uff0c\u7ed3\u679c\u4e3a\u771f\u3002\u5426\u5219\u7ed3\u679c\u4e3a\u5047\u3002&&\u7531\u4e8e\u662f\u903b\u8f91\u8fd0\u7b97\uff0c\u7ed3\u679c\u53ea\u6709\u771f(1)\u6216\u5047(0)\u4e24\u79cd\u60c5\u51b5\u3002
\u6269\u5c55\u8d44\u6599
1\u3001\u5728\u4f7f\u7528&\u7684\u65f6\u5019\u8fdb\u884c\u76f8\u4e0e\u8fd0\u7b97\uff0c\u5f97\u5230\u7684\u7ed3\u679c\u4e00\u822c\u4e5f\u662f\u8fd9\u6837\uff0c\u4f46\u662f\u4e5f\u4f1a\u6709\u5076\u7136\u60c5\u51b5\uff0c\u4f8b\u598210\u548c5\u76f8\u4e0e\uff0c\u53731010&0101\uff0c\u5219\u7ed3\u679c\u4e3a0\uff0c\u8fd9\u65f6\u5019\u7684\u7ed3\u679c\u5c31\u662f\u4e0d\u4e00\u6837\u7684\u30022\u3001&&\u548c||\u5374\u662f\u903b\u8f91\u8fd0\u7b97\u7b26\uff0c\u9664\u4e860\u4e4b\u5916\uff0c\u5176\u4ed6\u7684\u975e\u96f6\u6574\u6570\u90fd\u53ef\u4ee5\u770b\u505atrue\uff0c\u5982\u679c10\u548c6\u76f8\u4e0e\uff0c\u7ed3\u679c\u4f1a\u662ftrue\u3002
C\u8bed\u8a00\u4e2d\u7684\u903b\u8f91\u8fd0\u7b97\u7b26\uff1a&&\uff08\u4e0e\u8fd0\u7b97\uff09\u3001||\uff08\u6216\u8fd0\u7b97\uff09\u3001!\uff08\u975e\u8fd0\u7b97\uff09\u3002
\u4e0e\u8fd0\u7b97\u7b26(&&)\u548c\u6216\u8fd0\u7b97\u7b26(||)\u5747\u4e3a\u53cc\u76ee\u8fd0\u7b97\u7b26\u3002\u5177\u6709\u5de6\u7ed3\u5408\u6027\u3002\u975e\u8fd0\u7b97\u7b26(!)\u4e3a\u5355\u76ee\u8fd0\u7b97\u7b26\uff0c\u5177\u6709\u53f3\u7ed3\u5408\u6027\u3002\u903b\u8f91\u8fd0\u7b97\u7b26\u548c\u5176\u5b83\u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7\u7684\u5173\u7cfb\u53ef\u8868\u793a\u5982\u4e0b\uff1a
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\u6269\u5c55\u8d44\u6599
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绛旓細鈥滀笖鈥濈殑绗﹀彿锛氣埀 鈥滄垨鈥濈殑绗﹀彿锛氣埁 1銆佸懡棰榩涓攓锛坧鈭锛夌殑鐪熷亣鐨勫垽瀹氾細2銆佸懡棰榩鎴杚锛坧鈭╭锛夌殑鐪熷亣鐨勫垽瀹氾細3銆佸懡棰橀潪P锛堚攼p锛夌殑鍒ゅ畾锛
绛旓細1. 涓旂殑绗﹀彿锛氣埀 鍦ㄦ暟瀛﹂昏緫涓紝绗﹀彿"鈭"浠ｈ〃閫昏緫涓殑"涓"鍏崇郴銆傚畠琛ㄧず涓や釜鍛介閮藉繀椤绘垚绔嬶紝鎴栬呰涓や釜鏉′欢閮介渶瑕佹弧瓒炽備緥濡傦紝鍦ㄦ柟绋嬫眰瑙ｄ腑锛屾垜浠粡甯搁亣鍒伴渶瑕佹弧瓒冲涓潯浠剁殑鎯呭喌锛岃繖鏃跺氨鍙互浣跨敤鈥滀笖鈥濇潵杩炴帴杩欎簺鏉′欢銆備緥濡傦細鈥渪 > 2 涓 x < 5鈥濓紝杩欐剰鍛崇潃x鐨勫兼棦瑕佸ぇ浜2锛屽張瑕佸皬浜5銆2. ...
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绛旓細濡傛灉鐢ˋ,B琛ㄧず涓や釜鏉′欢锛鈥滄垨鈥濈敤A 鈭 B琛ㄧず锛"涓"鐢ˋ 鈭 B琛ㄧず銆
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绛旓細鎴栵細V锛屼笖锛歏鍊掕繃鏉
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