c语言,执行划线部分的break,是只跳出if 还是跳出while循环? c语言中,break是跳出一个函数还是一个循环?
break\u8df3\u51fa\u7684\u662fif\u8bed\u53e5\uff0c\u8fd8\u662ffor\u5faa\u73af\uff1fbreak\u8df3\u51fa\u7684\u662ffor\u5faa\u73af\u3002
break \u5728\u4e00\u4e9b\u8ba1\u7b97\u673a\u7f16\u7a0b\u8bed\u8a00\u4e2d\u662f\u4fdd\u7559\u5b57\uff0c\u5176\u4f5c\u7528\u5927\u591a\u60c5\u51b5\u4e0b\u662f\u7ec8\u6b62\u6240\u5728\u5c42\u7684\u5faa\u73af\u3002
1\u3001break\u8bed\u53e5\u5bf9if-else\u7684\u6761\u4ef6\u8bed\u53e5\u4e0d\u8d77\u4f5c\u7528\u3002
2\u3001\u5728\u591a\u5c42\u5faa\u73af\u4e2d\uff0c\u4e00\u4e2abreak\u8bed\u53e5\u53ea\u5411\u5916\u8df3\u4e00\u5c42\u3002
\u5728 C\u8bed\u8a00 \u7684 switch\uff08\u5f00\u5173\u8bed\u53e5\uff09\u4e2d\uff0cbreak \u8bed\u53e5\u8fd8\u53ef\u7528\u6765\u5728\u6267\u884c\u5b8c\u4e00\u4e2a case\uff08\u5206\u652f\uff09\u540e\u7acb\u5373\u8df3\u51fa\u5f53\u524d switch \u7ed3\u6784\u3002
\u6269\u5c55\u8d44\u6599\uff1abreak\u8bed\u53e5\u901a\u5e38\u7528\u5728\u5faa\u73af\u8bed\u53e5\u548c\u5f00\u5173\u8bed\u53e5\u4e2d\u3002\u5f53break\u7528\u4e8e\u5f00\u5173\u8bed\u53e5switch\u4e2d\u65f6\uff0c\u53ef\u4f7f\u7a0b\u5e8f\u8df3\u51faswitch\u800c\u6267\u884cswitch\u4ee5\u540e\u7684\u8bed\u53e5\uff1b
\u5982\u679c\u6ca1\u6709break\u8bed\u53e5\uff0c\u5219\u4f1a\u4ece\u6ee1\u8db3\u6761\u4ef6\u7684\u5730\u65b9\uff08\u5373\u4e0eswitch\uff08\u8868\u8fbe\u5f0f\uff09\u62ec\u53f7\u4e2d\u8868\u8fbe\u5f0f\u5339\u914d\u7684case\uff09\u5f00\u59cb\u6267\u884c\uff0c\u76f4\u5230switch\u7ed3\u6784\u7ed3\u675f\u3002
\u5f53break\u8bed\u53e5\u7528\u4e8edo-while\u3001for\u3001while\u5faa\u73af\u8bed\u53e5\u4e2d\u65f6\uff0c\u53ef\u4f7f\u7a0b\u5e8f\u7ec8\u6b62\u5faa\u73af\u3002
\u800c\u6267\u884c\u5faa\u73af\u540e\u9762\u7684\u8bed\u53e5\uff0c\u901a\u5e38break\u8bed\u53e5\u603b\u662f\u4e0eif\u8bed\u53e5\u8054\u5728\u4e00\u8d77\u3002\u5373\u6ee1\u8db3\u6761\u4ef6\u65f6\u4fbf\u8df3\u51fa\u5faa\u73af\u3002
\u53c2\u8003\u8d44\u6599\uff1abreak\u51fd\u6570\u2013\u767e\u5ea6\u767e\u79d1
break\u662f\u4ece\u5faa\u73af\u4e2d\u8df3\u51fa\uff0c\u5982\u8981\u4ece\u51fd\u6570\u4e2d\u8df3\u51fa\uff0c\u53ef\u4ee5\u7528return\u3002
break \u5728\u4e00\u4e9b\u8ba1\u7b97\u673a\u7f16\u7a0b\u8bed\u8a00\u4e2d\u662f\u4fdd\u7559\u5b57\uff0c\u5176\u4f5c\u7528\u5927\u591a\u60c5\u51b5\u4e0b\u662f\u7ec8\u6b62\u6240\u5728\u5c42\u7684\u5faa\u73af\u3002
1\u3001break\u8bed\u53e5\u5bf9if-else\u7684\u6761\u4ef6\u8bed\u53e5\u4e0d\u8d77\u4f5c\u7528\u3002
2\u3001\u5728\u591a\u5c42\u5faa\u73af\u4e2d\uff0c\u4e00\u4e2abreak\u8bed\u53e5\u53ea\u5411\u5916\u8df3\u4e00\u5c42\u3002
\u5728 C\u8bed\u8a00 \u7684 switch\uff08\u5f00\u5173\u8bed\u53e5\uff09\u4e2d\uff0cbreak \u8bed\u53e5\u8fd8\u53ef\u7528\u6765\u5728\u6267\u884c\u5b8c\u4e00\u4e2a case\uff08\u5206\u652f\uff09\u540e\u7acb\u5373\u8df3\u51fa\u5f53\u524d switch \u7ed3\u6784\u3002
\u6269\u5c55\u8d44\u6599\uff1a
break\u8bed\u53e5\u901a\u5e38\u7528\u5728\u5faa\u73af\u8bed\u53e5\u548c\u5f00\u5173\u8bed\u53e5\u4e2d\uff0c\u5f53break\u7528\u4e8e\u5f00\u5173\u8bed\u53e5switch\u4e2d\u65f6\uff0c \u53ef\u4f7f\u7a0b\u5e8f\u8df3\u51faswitch\u800c\u6267\u884cswitch\u4ee5\u540e\u7684\u8bed\u53e5; \u5982\u679c\u6ca1\u6709break\u8bed\u53e5, \u5219\u5c06\u6210\u4e3a\u4e00\u4e2a\u6b7b\u5faa\u73af\u800c\u65e0\u6cd5\u9000\u51fa\uff0c\u5982\u4e0b\uff1a
1\u3001break\u5982\u679c\u7528\u4e8e\u5faa\u73af\u662f\u7528\u6765\u7ec8\u6b62\u5faa\u73af\u3002
2\u3001break\u5982\u679c\u7528\u4e8eswitch\u4e2d\uff0c\u5219\u662f\u7528\u6765\u7ec8\u6b62switch\u3002
3\u3001break\u4e0d\u80fd\u76f4\u63a5\u7528\u4e8eif\u8bed\u53e5\uff0c\u9664\u975e\u662f\u5faa\u73af\u5185\u7684\u4e00\u4e2a\u5b57\u53e5\u3002
4\u3001break\u7528\u5728\u591a\u5c42\u5faa\u73af\u4e2d\uff0c\u8868\u793a\u9000\u51fa\u91cc\u4ed6\u6700\u8fd1\u7684\u4e00\u6b21\u5faa\u73af\u3002
\u53c2\u8003\u8d44\u6599\u6765\u6e90\uff1a\u767e\u5ea6\u767e\u79d1-break\u51fd\u6570
在c语言中,常用break和continue来作为提前跳出循环的语句。其中break是运行到此是直接跳出整个循环,接着运行该循环后面的语句。continue表示提前结束本次循环,直接进去下一次循环。所以break是用来结束循环语句的。
跳出循环
break应该没有所谓跳出if吧
绛旓細浠ヤ负a%3鍗充负15瀵3鍙栨ā锛岀粨鏋滄槸0锛屾墍浠鎵цcase 0锛宮++灏卞彉鎴愪簡1锛岀劧鍚巄reak灏辩粨鏉熶簡switch(a%3)锛屼笉鍦ㄦ墽琛屼笅闈㈢殑case浜嗭紝灏眕rintf("%d\n",m)杈撳嚭1浜嗐
绛旓細void main(){ int x,k;scanf("%d",&x);if(x<0&&x>-5) k=-1;else if (x=0) k=0;else if(x>0&&x<10) k=1;switch(k){ case -1: printf("y=%d",x); break;case 0: printf("y=%d",0); break;case 1: printf("y=%d",x+1); break;} } ...
绛旓細switch()璇彞鍦ㄦ壘鍒扮浉搴旂殑case椤瑰悗,濡傛灉璇ラ」鍚庨潰娌℃湁break,灏变細涓鐩鎵ц鍚庨潰鐨刢ase椤,鐩村埌閬囧埌break鎴栬呮渶鍚庢墠缁撴潫寰幆.鎵浠ユ湰棰樹腑,浼氭墽琛屽埌case 2鎵嶇粨鏉
绛旓細<stdio.h> 鏄笌杈撳叆杈撳嚭搴撳嚱鏁版湁鍏崇殑澶存枃浠讹紝涓 璇彞 涓娇鐢 鐨 鍏抽敭瀛 while锛宑ase锛宐reak 鏃犲叧銆傛湭澹版槑锛岄氬父鎸囪嚜瀹氫箟鍙橀噺 鏈0鏄庛傚彂鐢 鏈0鏄 鍘熷洜寰堝銆備緥濡 鍚嶅瓧鎷煎啓鏈夐敊锛屽ぇ灏忓啓鏈夐敊銆備緥濡 鍥 鑺辨嫭鍙 {} 閰嶅閰嶉敊锛屾妸鑷畾涔夊彉閲 鐨勫畾涔夊煙鍒嗛敊銆備緥濡 鍥 鍒嗗彿 閿 锛堝浜嗭紝灏戜簡 ...
绛旓細棣栧厛杈撳叆涓涓瓧绗 鐒跺悗绯荤粺鑷姩杞崲涓篈SICC鍊 杩欓噷鍥犱负姣忎釜case鍚庨潰閮芥病鏈brea璇彞锛屾墍浠ヤ細涓鐩存墽琛屽埌鏈鍚
绛旓細i<'a'+26; i++){printf("%c : %d\n", (char) i, sign[i]);}//杈撳嚭绌烘牸i = 32;printf("Space : %d\n", sign[i]);//杈撳嚭鍥炶溅i = 10;printf("Enter : %d\n", sign[i]);//杈撳嚭鍏朵粬瀛楃for(i=0; i<256; i++){if(!(i>='0' && i<='9') && !(i>='A' &&...
绛旓細zhiwu[50];char phonenumber[18];char addreass[50];}node;vector<node> v;int key=1;void xiangmu(){printf("\n1銆佺紪鍙穃t2銆佸鍚峔t3銆佹у埆\t4銆佸嚭鐢熷勾鏈 5銆佸鍘哱t6銆佽亴鍔t7銆佺數璇漒t8銆佷綇鍧\n");}void insert_node(){cout<<"璇锋寜椤哄簭杈撳叆:"<<endl;xiangmu();node p=*(...
绛旓細else break;鏈韩娌℃湁闂 濡傛灉浣犵殑绋嬪簭鍑洪棶棰橈紝璇锋妸浣犵殑绋嬪簭鍙戝嚭鏉ワ紝浠ュ疄闄呮儏鍐佃冭檻 渚嬪锛歩nclude<iostream>using namespace std;int main(){int i;for(i = 0;i<1000;i++) {if(i%2==0) printf("%d\n",i);else break;} return 0;}瀹為檯杩愯 ...
绛旓細灏忛2:B advice [?dvais]涓殑瀛楁瘝a涓巃ccount [?kaunt]涓殑瀛楁瘝a鍙戦煶鐩稿悓锛屾晠B姝g‘銆傚皬棰3:D limited [limitid]涓殑瀛楁瘝ed涓巌ncluded [?nklu:d?d]涓殑瀛楁瘝ed鍙戦煶鐩稿悓锛屾晠D姝g‘銆傚皬棰4:C wild [waild]涓殑鎬庝箞i涓巗atellite [sæt?lait]涓殑瀛楁瘝i鍙戦煶鐩稿悓銆傛晠C姝g‘銆傚皬棰5:C ...
绛旓細c璇█鐨杈撳嚭杈撳叆鏄牸寮忓寲鐨勶紝printf琛ㄧず杈撳嚭锛屽湪灞忓箷涓婃墦鍗板嚭鏉ワ紱scanf琛ㄧず璇诲叆锛屽嵆鎶婁綘鍦ㄥ睆骞曚笂濡傛灉鎵10锛屾寜鍥炶溅锛10灏卞瓨鍌ㄥ埌month閭d釜鍙橀噺閲岄潰锛%d浠h〃杈撳叆涓涓暣鏁般傝繕鏈夛紝瑕佹敞鎰忥紝浣犻偅涓笉鏄痗璇█鈥︹﹀凡缁忔槸c++浜嗐備綘鐪嬩笂闈㈠畾涔夌殑閭d釜struct缁撴瀯浣撻噷绔熺劧宸茬粡鏈塸ublic鈥︹﹁屼笖杩樻湁鍑芥暟鐨勫畾涔夆︹ate(...