请问三角形该怎么输出啊?

P5725 【深基4.习8】求三角形

@[tang_zirui](/user/1035789) 看看题解吧
by Literally114514 @ 2023-08-18 22:09:38


``` #include<bits/stdc++.h> using namespace std; int n,i,cnt; int main(){ cin>>n; for(i=1;i<=n*n;i++){ if(i%n==1&&i!=1) cout<<endl; if(i<10) cout<<0; cout<<i; } cout<<"\n\n"; i=2*n; while(i>0){ i-=2; for(int j=0;j<i;j++) cout<<" "; for(int j=0;j<(2*n-i)/2;j++){ cnt++; if(cnt<10) cout<<"0"; cout<<cnt; } cout<<endl; } return 0; } ``` 这是我的AC代码
by 6_Yue_Chu9 @ 2023-08-18 22:23:53


谢谢
by tang_zirui @ 2023-08-19 13:44:03


把结果提前放到数组里,要啥给啥(-v-)
by bubu12 @ 2023-08-24 08:40:14


完全可以打表 ```python a=int(input()) if a==1: print('01') print() print('01') elif a==2: print('0102') print('0304') print() print(' 01') print('0203') elif a==3: print('010203') print('040506') print('070809') print() print(' 01') print(' 0203') print('040506') elif a==4: print('01020304') print('05060708') print('09101112') print('13141516') print() print(' 01') print(' 0203') print(' 040506') print('07080910') elif a==5: print('0102030405') print('0607080910') print('1112131415') print('1617181920') print('2122232425') print() print(' 01') print(' 0203') print(' 040506') print(' 07080910') print('1112131415') elif a==6: print('010203040506') print('070809101112') print('131415161718') print('192021222324') print('252627282930') print('313233343536') print() print(' 01') print(' 0203') print(' 040506') print(' 07080910') print(' 1112131415') print('161718192021') elif a==7: print('01020304050607') print('08091011121314') print('15161718192021') print('22232425262728') print('29303132333435') print('36373839404142') print('43444546474849') print() print(' 01') print(' 0203') print(' 040506') print(' 07080910') print(' 1112131415') print(' 161718192021') print('22232425262728') elif a==8: print('0102030405060708') print('0910111213141516') print('1718192021222324') print('2526272829303132') print('3334353637383940') print('4142434445464748') print('4950515253545556') print('5758596061626364') print() print(' 01') print(' 0203') print(' 040506') print(' 07080910') print(' 1112131415') print(' 161718192021') print(' 22232425262728') print('2930313233343536') else: print('010203040506070809') print('101112131415161718') print('192021222324252627') print('282930313233343536') print('373839404142434445') print('464748495051525354') print('555657585960616263') print('646566676869707172') print('737475767778798081') print() print(' 01') print(' 0203') print(' 040506') print(' 07080910') print(' 1112131415') print(' 161718192021') print(' 22232425262728') print(' 2930313233343536') ```
by Lost_Ycy @ 2023-08-29 19:34:14


@[Lost_Ycy](/user/748906) 6
by CHIFANL @ 2023-08-30 11:55:47


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