QOJ.ac
QOJ
The 2nd Universal Cup Finals is coming! Check out our event page, schedule, and competition rules!
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #654099 | #4829. Mark on a Graph | rotcar07 | 0 | 2ms | 4616kb | C++23 | 798b | 2024-10-18 21:05:13 | 2024-10-18 21:05:44 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
constexpr int N=1005;
int n,m,deg[N];bool g[N][N];
int main(){
cin>>n>>m;int up=(n-1)/m+1;
for(int i=1,u,v;i<=m;i++) cin>>u>>v,g[v][u]=g[u][v]=1,deg[u]++,deg[v]++;
bool win=0;
for(int i=1;i<=n&&!win;i++)if(deg[i]<=up+5){
int cnt=0;
for(int j=1;j<=n;j++) if(g[i][j]&°[j]<=up+1) cnt++;
if(cnt>=5) win=1;
}
if(win) return puts("ok"),0;
puts("mark");
for(int i=1;i<=n;i++)if(deg[i]<=up){
int cnt=5;
vector<pair<int,int>> v;
for(int j=i+1;j<=n&&cnt;j++) if(deg[j]<=up){
cnt--;
if(!g[i][j]) v.emplace_back(i,j);
}
cout<<v.size()<<'\n';
for(auto [x,y]:v) cout<<x<<' '<<y<<'\n';
return 0;
}
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 2ms
memory: 4616kb
input:
1000 3560 603 151 415 20 102 569 895 552 678 734 24 614 689 518 440 223 751 919 223 433 711 551 502 634 706 583 812 501 514 535 780 751 720 530 532 384 888 139 864 791 292 675 171 881 30 592 464 557 280 299 654 650 894 335 250 532 792 10 83 969 118 771 579 300 852 983 243 940 957 939 817 889 911 319...
output:
mark 5 501 655 501 691 501 762 501 862 501 880
input:
1000 3565 626 643 295 222 665 298 534 33 682 275 706 833 155 262 656 841 184 286 383 844 86 259 937 771 37 355 379 167 640 763 707 250 693 401 224 873 974 302 521 380 368 663 676 977 113 210 175 831 554 526 553 125 506 102 70 757 464 840 87 733 956 373 600 53 178 201 182 394 201 34 975 583 557 937 2...
output:
ok
result:
ok all right
Test #2:
score: 100
Accepted
time: 1ms
memory: 4612kb
input:
1000 2000 457 335 160 497 464 992 892 255 853 3 308 301 970 363 541 299 89 418 425 128 626 827 603 854 484 874 755 295 607 483 798 552 356 850 320 357 254 940 675 901 168 525 301 636 520 555 773 910 343 701 889 966 218 529 909 950 71 64 682 284 424 138 721 792 670 544 386 72 654 909 725 235 592 437 ...
output:
mark 5 6 18 6 22 6 53 6 66 6 67
input:
1000 2005 674 235 170 611 339 156 250 778 470 422 361 300 610 274 440 112 90 337 81 879 505 764 37 6 935 217 424 667 914 38 740 19 121 843 87 330 441 646 764 431 882 331 763 804 318 988 904 500 999 663 53 985 978 756 246 228 131 622 58 21 528 824 411 674 835 561 569 980 502 456 164 502 633 94 303 24...
output:
ok
result:
ok all right
Test #3:
score: 0
Wrong Answer on the first run
input:
1000 5000 449 632 597 26 701 322 249 190 411 770 666 596 989 995 112 861 445 818 544 659 24 680 739 593 344 439 193 932 600 526 574 869 216 918 716 793 259 686 555 993 255 578 659 271 328 524 729 672 39 771 241 866 27 790 417 109 56 403 338 299 387 232 280 306 589 794 833 419 900 802 54 697 539 807 ...
output:
mark
input:
output:
result:
wrong output format Unexpected end of file - int32 expected