Base-16 representation: Difference between revisions
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(Added Algol 68) |
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Show in decimal notation all positive integers (less than '''501''') which, when converted to hexadecimal notation, cannot be written without using at least one non-decimal digit ('a' to 'f'). |
Show in decimal notation all positive integers (less than '''501''') which, when converted to hexadecimal notation, cannot be written without using at least one non-decimal digit ('a' to 'f'). |
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<br><br> |
<br><br> |
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=={{header|ALGOL 68}}== |
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<lang algol68>BEGIN # show numbers that when represented in hex, have at least one a-f digit # |
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INT h count := 0; |
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FOR i TO 500 DO |
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BITS v := BIN i; |
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WHILE v /= 16r0 DO |
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IF ABS ( v AND 16rf ) < 10 |
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THEN v := v SHR 4 |
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ELSE |
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v := 16r0; |
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h count +:= 1; |
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print( ( " ", whole( i, -3 ) ) ); |
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IF h count MOD 20 = 0 THEN print( ( newline ) ) FI |
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FI |
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OD |
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OD |
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END</lang> |
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{{out}} |
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<pre> |
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10 11 12 13 14 15 26 27 28 29 30 31 42 43 44 45 46 47 58 59 |
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60 61 62 63 74 75 76 77 78 79 90 91 92 93 94 95 106 107 108 109 |
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110 111 122 123 124 125 126 127 138 139 140 141 142 143 154 155 156 157 158 159 |
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160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 |
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180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 |
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200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 |
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220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 |
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240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 266 267 268 269 |
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270 271 282 283 284 285 286 287 298 299 300 301 302 303 314 315 316 317 318 319 |
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330 331 332 333 334 335 346 347 348 349 350 351 362 363 364 365 366 367 378 379 |
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380 381 382 383 394 395 396 397 398 399 410 411 412 413 414 415 416 417 418 419 |
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420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 |
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440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 |
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460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 |
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480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 |
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500 |
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</pre> |
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=={{header|ALGOL W}}== |
=={{header|ALGOL W}}== |