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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. inline int isp(int i){
  5. 	int ii=i, j=0;
  6. 	while( ii )
  7. 		j = 10*j + ii % 10, 
  8. 		ii/=10;
  9. 	return i==j;}
  10.  
  11. int main() {
  12. 	int m=0;
  13. 	for(int i=100; i<1000; i++)
  14. 		for(int j=i; j < 1000; j++ )
  15. 			if( isp(i*j) && (i*j > m) ){
  16. 				m = i * j;
  17. 				printf( "%3d * %3d = %7d\n", i, j, m );}
  18. 	return 0;}
Success #stdin #stdout 0.02s 2724KB
comments (?)
stdin 
Standard input is empty
stdout 
101 * 101 =   10201
101 * 111 =   11211
101 * 121 =   12221
101 * 131 =   13231
101 * 141 =   14241
101 * 151 =   15251
101 * 161 =   16261
101 * 171 =   17271
101 * 181 =   18281
101 * 191 =   19291
101 * 202 =   20402
101 * 212 =   21412
101 * 222 =   22422
101 * 232 =   23432
101 * 242 =   24442
101 * 252 =   25452
101 * 262 =   26462
101 * 272 =   27472
101 * 282 =   28482
101 * 292 =   29492
101 * 303 =   30603
101 * 313 =   31613
101 * 323 =   32623
101 * 333 =   33633
101 * 343 =   34643
101 * 353 =   35653
101 * 363 =   36663
101 * 373 =   37673
101 * 383 =   38683
101 * 393 =   39693
101 * 404 =   40804
101 * 414 =   41814
101 * 424 =   42824
101 * 434 =   43834
101 * 444 =   44844
101 * 454 =   45854
101 * 464 =   46864
101 * 474 =   47874
101 * 484 =   48884
101 * 494 =   49894
102 * 613 =   62526
102 * 618 =   63036
102 * 819 =   83538
102 * 824 =   84048
103 * 866 =   89198
107 * 877 =   93839
109 * 911 =   99299
121 * 881 =  106601
121 * 991 =  119911
143 * 847 =  121121
143 * 917 =  131131
143 * 987 =  141141
157 * 913 =  143341
173 * 957 =  165561
187 * 903 =  168861
187 * 933 =  174471
187 * 963 =  180081
209 * 909 =  189981
209 * 978 =  204402
222 * 946 =  210012
231 * 952 =  219912
231 * 962 =  222222
242 * 941 =  227722
253 * 944 =  238832
264 * 968 =  255552
279 * 968 =  270072
286 * 952 =  272272
286 * 987 =  282282
308 * 949 =  292292
308 * 974 =  299992
331 * 913 =  302203
337 * 979 =  329923
363 * 961 =  348843
387 * 979 =  378873
418 * 978 =  408804
429 * 966 =  414414
443 * 968 =  428824
446 * 979 =  436634
458 * 968 =  443344
462 * 962 =  444444
484 * 971 =  469964
496 * 979 =  485584
506 * 964 =  487784
512 * 957 =  489984
517 * 995 =  514415
539 * 975 =  525525
555 * 957 =  531135
555 * 979 =  543345
583 * 995 =  580085
605 * 979 =  592295
614 * 979 =  601106
637 * 968 =  616616
638 * 977 =  623326
652 * 968 =  631136
664 * 979 =  650056
682 * 958 =  653356
693 * 962 =  666666
722 * 968 =  698896
759 * 953 =  723327
803 * 909 =  729927
803 * 959 =  770077
831 * 968 =  804408
844 * 957 =  807708
858 * 966 =  828828
869 * 982 =  853358
894 * 957 =  855558
913 * 993 =  906609
https://ideone.com/HbwCI
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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