算法sum
⑴ sum鏄浠涔堟剰镐濅簩锛
鍦ㄨ$畻链虹紪绋嬬殑璇澧冧笅锛宻um阃氩父琛ㄧず瀵逛竴缁勬暟鍊肩殑姹傚拰镎崭綔銆傜亩鍗曟潵璇达纴灏辨槸鎶娄竴浜涙暟瀛楃浉锷犲悗寰楀埌镐诲拰銆傝繖涓镎崭綔鍦ㄥ緢澶氲$畻链虹▼搴忎腑閮芥槸闱炲父甯歌佺殑锛屽父甯哥敤𨱒ヨ$畻涓浜涚粺璁℃暟鎹銆佷环镙兼诲拰绛夈
闄や简鍦ㄧ紪绋嬩腑锛宻um杩欎釜璇嶆眹鍦ㄦ棩甯哥敓娲讳腑涔熸湁浣跨敤銆备緥濡傦纴鍦ㄨ嫳璇涓锛屾垜浠骞冲父浼氱敤鍒扳渟um up钬濈殑琛ㄨ揪鏂瑰纺锛屾潵琛ㄧず镐荤粨鎴栨荤粨镆愪欢浜嬫儏銆傚洜姝わ纴sum杩欎釜璇嶆眹鍦ㄤ笉钖岀殑璇澧冧笅鍙鑳戒细链変笉钖岀殑镒忎箟銆
鍦ㄨ$畻链虹紪绋嬩腑锛宻um鏄璁$畻涓涓鏁扮粍鎴栧簭鍒椾腑鍏幂礌镐诲拰镄勫父瑙佹柟寮忋备緥濡傦纴鍦≒ython缂栫▼璇瑷涓锛屾垜浠鍙浠ラ氲繃sum鍑芥暟𨱒ヨ$畻涓涓鍒楄〃涓镄勬墍链夊厓绱犱箣鍜岋纴浠庤屽规暟鎹杩涜岀粺璁″垎鏋愩
闄ゆや箣澶栵纴鍦ㄩ噾铻嶈屼笟锛宻um涔熷父甯歌鐢ㄦ潵璁$畻璐㈠姟鏁版嵁镄勫悎璁°备緥濡傦纴鎴戜滑鍙浠ヤ娇鐢╯um鍑芥暟𨱒ヨ$畻鍏鍙哥殑镐绘敹鍏ャ佹绘垚链浠ュ强鍑鍒╂鼎绛夎储锷℃暟鎹锛屼互渚挎洿濂藉湴杩涜屾姇璧勫拰绠$悊鍐崇瓥銆
sum鍦ㄧ▼搴忚捐°佹暟鎹缁熻″拰閲戣瀺鍒嗘瀽涓閮芥槸闱炲父閲嶈佺殑镎崭綔銆傚畠鍙浠ュ府锷╂垜浠镟村揩鍦板规暟鎹杩涜屽垎鏋愬拰姹囨伙纴骞跺缑鍑烘湁镒忎箟镄勭粨璁恒傚湪鏁版嵁鍒嗘瀽鍜屽喅绛栧埗瀹氢腑锛宻um镄勬ц兘鍜屽嗳纭镐т篃鏄镊冲叧閲嶈佺殑銆傚洜姝わ纴鎴戜滑闇瑕佹牴鎹涓嶅悓镄勫満鏅鍜岄渶姹傛潵阃夋嫨钖堥傜殑sum鍑芥暟鍜岀畻娉曪纴浠ュ缑鍒版洿濂界殑缁撴灉銆
⑵ 锘烘湰绠楁硶璇鍙ヤ腑SUM鏄浠涔堟剰镐
姹傚拰锛岀浉褰扑簬sigema(闾d釜闀跨殑寰埚儚澶у啓E镄勬眰鍜岀﹀彿)
⑶ 镐庝箞鐢⊿UM杩涜屽氭浔浠舵眰鍜岃$畻锛
鍦‥XCEL宸ヤ綔琛ㄤ腑鍙浠ョ敤SUM鍑芥暟鎴栤+钬濈﹀彿杩涜屾眰鍜岃繍绠椼
濡傦细=A1+A2+A3+B1+B2+B3鐢⊿UM鍑芥暟鍙浠ュ啓鎴愶细=SUM(A1:B3)
镎崭綔鏂规硶濡备笅锛
1銆侀栧厛镣瑰嚮excl銆
娉ㄦ剰浜嬮”
鍦ㄦ垜浠杩愮敤Excel锅氩悇绉嶆暟鎹琛ㄧ殑镞跺欙纴姹傚拰鍑芥暟銆佹渶澶у笺佹渶灏忓肩瓑鍑芥暟镄勮繍鐢ㄥ彲浠ユ渶澶ч檺搴︾殑涓烘垜浠鑺傜害镞堕棿锛屾彁楂樻晥鐜囷紒钖勭嶅嚱鏁板备綍浣跨敤鍊煎缑鎴戜滑铡绘寲鎺桦拰缁冧範銆
⑷ 姹傛暀~~璁捐C++绠楁硶:涓涓姝f暣鏁皀,璁$畻1鍒皀镄勫钩鏂瑰拰銆
鍙浠ヤ娇鐢ㄤ竴涓寰鐜𨱒ヨ$畻1鍒皀镄勫钩鏂瑰拰锛屽叿浣撶畻娉曞备笅锛
瀹氢箟涓涓鍙橀噺sum锛岀敤浜庡瓨鍌ㄥ钩鏂瑰拰锛屽埯鍊间负0銆
寰鐜鍙橀噺i浠1鍒皀锛屾疮娆″皢i镄勫钩鏂瑰姞鍏sum涓銆
寰鐜缁撴潫钖庯纴杈揿嚭sum鍗冲彲銆
- #include <iostream>using namespace std;int main() { int n; while (scanf("%d", &n) != EOF) { int sum = 0; for (int i = 1; i <= n; i++) {
- sum += i * i;
- }
- cout << "1鍒" << n << "镄勫钩鏂瑰拰涓猴细" << sum << endl;
- } return 0;
- }c++
- #include <iostream>
using namespace std;
int main() {
int n;
while (scanf("%d", &n) != EOF) {
int sum = 0;
for (int i = 1; i <= n; i++) {
sum += i * i;
}
cout << "1鍒" << n << "镄勫钩鏂瑰拰涓猴细" << sum << endl;
}
return 0;
}
瀹屾暣镄凛++浠g爜濡备笅锛
娉ㄦ剰锛屾湰绠楁硶锅囱捐緭鍏ョ殑n鏄姝f暣鏁帮纴濡傛灉闇瑕佽冭槛璐熸暟鎴栨诞镣规暟镄勬儏鍐碉纴杩橀渶瑕佽繘琛岄濆栫殑鍒ゆ柇鍜屽勭悊銆
⑸ excel的sum函数怎么用
sum是将对应单元格内的数字进行相加。
如下图所示,格子E4 = SUM(B4:D4), 是将B4,C4,D4三个格子中的数字加起来,即=2+4+5 = 11