Commit4acf097

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special21 -day1

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	`1`	`+// https://practice.geeksforgeeks.org/contest-problem/m-and-n5047`
	`2`	`+`
	`3`	`+#include<bits/stdc++.h>`
	`4`	`+usingnamespacestd;`
	`5`	`+`
	`6`	`+// ver 1`
	`7`	`+voidsolution(int M,int N)`
	`8`	`+{`
	`9`	`+ string m_n =to_string(M+N);`
	`10`	`+ string n =to_string(N);`
	`11`	`+if (n.size() == m_n.size())`
	`12`	`+ {`
	`13`	`+ cout << N;`
	`14`	`+ }`
	`15`	`+else`
	`16`	`+ {`
	`17`	`+ cout << m_n;`
	`18`	`+ }`
	`19`	`+ cout <<'\n';`
	`20`	`+}`
	`21`	`+`
	`22`	`+`
	`23`	`+// ver 2`
	`24`	`+intcountdigit(longlongint no)`
	`25`	`+{`
	`26`	`+int count=0;`
	`27`	`+while (no!=0)`
	`28`	`+ {`
	`29`	`+ count++;`
	`30`	`+ no /=10;`
	`31`	`+ }`
	`32`	`+return count;`
	`33`	`+}`
	`34`	`+`
	`35`	`+intsolution2(int M,int N)`
	`36`	`+{`
	`37`	`+int m_n = M + N;`
	`38`	`+`
	`39`	`+if (countdigit(N) ==countdigit(m_n))`
	`40`	`+return N;`
	`41`	`+else`
	`42`	`+return m_n;`
	`43`	`+}`
	`44`	`+`
	`45`	`+`
	`46`	`+`
	`47`	`+`
	`48`	`+intmain()`
	`49`	`+{`
	`50`	`+ios::sync_with_stdio(0);`
	`51`	`+ cin.tie(0);`
	`52`	`+int T, M, N;`
	`53`	`+ cin >> T;`
	`54`	`+while (T--)`
	`55`	`+ {`
	`56`	`+ cin >> M >> N;`
	`57`	`+solution(M, N);`
	`58`	`+ }`
	`59`	`+`
	`60`	`+return0;`
	`61`	`+}`

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	`1`	`+// https://practice.geeksforgeeks.org/contest-problem/triangle-and-square`
	`2`	`+`
	`3`	`+#include<bits/stdc++.h>`
	`4`	`+usingnamespacestd;`
	`5`	`+`
	`6`	`+// ver 1`
	`7`	`+voidsolution(int b)`
	`8`	`+{`
	`9`	`+// count num of squares`
	`10`	`+int n = (b-2)/2;`
	`11`	`+int num_squares = n;`
	`12`	`+while (n--)`
	`13`	`+ {`
	`14`	`+ num_squares += n;`
	`15`	`+ }`
	`16`	`+ cout << num_squares <<'\n';`
	`17`	`+}`
	`18`	`+`
	`19`	`+`
	`20`	`+intmain()`
	`21`	`+{`
	`22`	`+ios::sync_with_stdio(0);`
	`23`	`+ cin.tie(0);`
	`24`	`+int T, B;`
	`25`	`+ cin >> T;`
	`26`	`+while (T--)`
	`27`	`+ {`
	`28`	`+ cin >> B;`
	`29`	`+solution(B);`
	`30`	`+ }`
	`31`	`+`
	`32`	`+return0;`
	`33`	`+}`

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