CSES - Datatähti Open 2017 - Results
Submission details
Task:Family reunion
Sender:ainta1
Submission time:2017-01-23 06:56:38 +0200
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#1UNKNOWN0
#2UNKNOWN0
#3UNKNOWN0
Test results
testverdicttimegroup
#1UNKNOWN--1details
#2UNKNOWN--2details
#3UNKNOWN--3details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:504:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d",&N,&M,&K);
                               ^
input/code.cpp:509:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d",&a[i]);
                              ^

Code

/*#include<stdio.h>
#include<algorithm>
#include<vector>
using namespace std;
int n, m, RR[40][40], DD[40][40], ES[40][40];
long long res;
int Num(int x, int y, int ck){
return (x-1)*m+y + ck*n*m;
}
struct Edge{
int b, e, c, f;
}E[201000];
int EC, source, sink;
vector<int>G[5000];
void Make_Edge(int b, int e, int f, int c){
G[b].push_back(EC);G[e].push_back(EC+1);
E[EC].b=b,E[EC].e=e,E[EC].f=f,E[EC].c=c;EC++;
E[EC].b=e,E[EC].e=b,E[EC].f=0,E[EC].c=-c;EC++;
}
int Path[10100], D[10100], Q[1010000], InQ[10100];
int SPFA(){
int i, head = 0, tail = 0, x;
for(i=0;i<=sink;i++){
D[i] = -1e9;
InQ[i] = 0;
}
D[0] = 0;
Q[++tail] = 0;
InQ[0] = 1;
while(head < tail){
x = Q[++head];
InQ[x] = 0;
for(i=0;i<G[x].size();i++){
Edge tp = E[G[x][i]];
if(tp.f && D[tp.e] < D[x] + tp.c){
D[tp.e] = D[x] + tp.c;
Path[tp.e] = G[x][i];
if(!InQ[tp.e]){
InQ[tp.e] = 1;
Q[++tail] = tp.e;
}
}
}
}
return D[sink];
}
void MCMF(){
int t, x, y, f;
while((t = SPFA()) >= 0){
x = sink;
f = 100;
while(x){
y = Path[x];
f=min(f,E[y].f);
x = E[y].b;
}
res += 1ll*f*t;
x = sink;
while(x){
y = Path[x];
E[y].f -= f;
E[y^1].f += f;
x = E[y].b;
}
}
}
int main(){
int TC,TT,i,j,K;
scanf("%d",&TC);
for(TT=1;TT<=TC;TT++){
printf("Case #%d: ",TT);
scanf("%d%d",&n,&m);
for(i=1;i<=n;i++)for(j=1;j<m;j++)scanf("%d",&RR[i][j]);
for(i=1;i<n;i++)for(j=1;j<=m;j++)scanf("%d",&DD[i][j]);
EC = 0;
source = 0, sink = n*m*2+1;
scanf("%d",&K);
for(i=1;i<=K;i++){
int x,y;
scanf("%d%d",&x,&y);
ES[x][y]=1;
}
for(i=1;i<=n;i++){
for(j=1;j<=m;j++){
}
}
MCMF();
if(res < -5000000){
printf("Impossible\n");
}
else{
printf("%lld\n",res);
}
for(i=0;i<=sink;i++){
G[i].clear();
}
}
}*/
/*
#include<stdio.h>
#include<algorithm>
#include<cstdlib>
using namespace std;
int n, K, w[1010000];
long long res, S[1010000], Sum, D1[1010000][8], D2[1010000][8], D[64][2], DP[2048][2];
bool v[64][2];
int C[2048], M[2048], m, Path[2048][2];
bool vv[2048][2];
void Dijk(){
int i, j;
for(i=0;i<(1<<m);i++)v[i][0]=v[i][1]=false;
while(1){
int x=-1, y=-1;
long long MM = 1e17;
for(i=0;i<(1<<m);i++){
for(j=0;j<2;j++){
if(MM > D[i][j] && !v[i][j]){
MM = D[i][j];
x=i,y=j;
}
}
}
if(x==-1)break;
v[x][y]=true;
if(y==0){
for(j=0;j<(1<<m);j++){
if(j&x || C[j]>3)continue;
D[x^j][1] = min(D[x^j][1], D[x][y] + M[j]);
}
}
else{
for(j=0;j<m;j++){
if(!((1<<j)&x))continue;
D[x^(1<<j)][0] = min(D[x^(1<<j)][0], D[x][y] + w[j+1]);
}
}
}
}
void Dijk2(){
int i, j;
for(i=0;i<(1<<n);i++)vv[i][0]=vv[i][1]=false;
while(1){
int x=-1, y=-1;
long long MM = 1e17;
for(i=0;i<(1<<n);i++){
for(j=0;j<2;j++){
if(MM > DP[i][j] && !vv[i][j]){
MM = DP[i][j];
x=i,y=j;
}
}
}
if(x==-1)break;
vv[x][y]=true;
if(y==0){
for(j=0;j<(1<<n);j++){
if(j&x || C[j]>3)continue;
if(DP[x^j][1] > DP[x][y] + M[j]) Path[x^j][1] = x;
DP[x^j][1] = min(DP[x^j][1], DP[x][y] + M[j]);
}
}
else{
for(j=0;j<n;j++){
if(!((1<<j)&x))continue;
if(DP[x^(1<<j)][0]> DP[x][y] + w[j+1]) Path[x^(1<<j)][0] = x;
DP[x^(1<<j)][0] = min(DP[x^(1<<j)][0], DP[x][y] + w[j+1]);
}
}
}
}
int TP[1010];
long long Do(int a, int b, int c){
int t = a*3-a-b-c, i;
long long S = 1ll*a*w[1]+1ll*b*w[2]+1ll*c*w[3];
for(i=n;i>=6;i-=3){
if(i-3 >= 3+t){
S += w[i];
}
else break;
}
int ed = i;
for(i=ed;i>=4;i--)TP[i] = 1;
TP[1]=a+1,TP[2]=b+1,TP[3]=c+1;
int s = ed+a+b+c;
if(s%3==2){
TP[1]--,TP[2]--;
S+=w[2];
}
while(1){
int x1=-1,x2=-1,x3=-1;
for(i=1;i<=n;i++){
if(TP[i]){
if(x1==-1)x1=i;
else if(x2==-1)x2=i;
else if(x3==-1){
x3=i;
break;
}
}
}
if(x1==-1)break;
TP[x1]--,TP[x2]--,TP[x3]--;
S += w[x3];
}
return S;
}
int main(){
int i, j, k;
srand(1879);
int tc=0;
while(1){
printf("%d\n",++tc);
n = 9, K = 3;
for(i=1;i<=n;i++){
w[i] = rand()%5+1;
}
sort(w+1,w+n+1);
for(i=0;i<=n;i++){
for(j=0;j<8;j++){
D1[i][j]=D2[i][j]=1e18;
}
}
for(i=0;i<(1<<n);i++){
C[i] = 0, M[i] = 0;
}
m = min(n,6);
for(i=0;i<(1<<n);i++){
for(j=0;j<n;j++)if(i&(1<<j))C[i]++, M[i] = w[j+1];
}
D1[n][0] = 0;
res = 1e18;
for(i=n;i>=6;i--){
for(int cc = 0; cc <= 4; cc++){
for(j=0;j<8;j++){
if(C[j] != cc)continue;
if(D2[i][j]>1e17)continue;
for(k=0;k<3;k++){
if((1<<k)&j){
D1[i][j^(1<<k)] = min(D1[i][j^(1<<k)], D2[i][j] + w[k+1]);
}
}
}
for(j=0;j<8;j++){
if(C[j] != cc-1)continue;
for(k=0;k<8;k++){
if(k&j)continue;
if(C[k]>=2)D2[i][j^k] = min(D2[i][j^k], D1[i][j] + M[k]);
if(C[k]==3)continue;
D2[i-1][j^k] = min(D2[i-1][j^k], D1[i][j] + w[i]);
if(C[k]==2)continue;
D2[i-2][j^k] = min(D2[i-2][j^k], D1[i][j] + w[i]);
if(C[k]==1)continue;
D2[i-3][j^k] = min(D2[i-3][j^k], D1[i][j] + w[i]);
}
}
}
}
for(i=0;i<(1<<m);i++)D[i][0]=D[i][1]=1e18;
for(i=3;i<=m;i++){
for(j=0;j<8;j++){
int s = 0;
for(k=0;k<m;k++){
if(k>=i || (k<3 && j&(1<<k))) s += (1<<k);
}
D[s][0] = D1[i][j];
D[s][1] = D2[i][j];
}
}
Dijk();
long long res1 = D[(1<<m)-1][1];
int ret = (n-2)/2;
res1 = 1e18;
for(i=0;i<=ret;i++){
for(j=0;i+j<=ret;j++){
k=ret-i-j;
if(i<j||j<k)continue;
res1 = min(res1,Do(i,j,k));
}
}
for(i=0;i<(1<<n);i++)DP[i][0]=DP[i][1]=1e18;
DP[0][0] = 0;
Dijk2();
long long res2 = DP[(1<<n)-1][1];
if(res1 != res2){
for(i=1;i<=n;i++)printf("%d ",w[i]);
printf("\n");
printf("%lld %lld\n",res1,res2);
int x = (1<<n)-1, y = 1;
while(x||y){
printf("%d %d\n",x,y);
x = Path[x][y];
y = !y;
}
break;
}
}
}*/
/*
#include<stdio.h>
#include<algorithm>
using namespace std;
int n, K;
int w[1010000], TP[1010000];
long long S[1010000], res;
void Do(int a, int b, int c){
int t = a*3-a-b-c, i;
long long S = 1ll*a*w[1]+1ll*b*w[2]+1ll*c*w[3];
for(i=n;i>=6;i-=3){
if(i-3 >= 3+t){
S += w[i];
}
else break;
}
int ed = i;
for(i=ed;i>=4;i--)TP[i] = 1;
TP[1]=a+1,TP[2]=b+1,TP[3]=c+1;
int s = ed+a+b+c;
if(s%3==2){
TP[1]--,TP[2]--;
S+=w[2];
}
while(1){
int x1=-1,x2=-1,x3=-1;
for(i=1;i<=n;i++){
if(TP[i]){
if(x1==-1)x1=i;
else if(x2==-1)x2=i;
else if(x3==-1){
x3=i;
break;
}
}
}
if(x1==-1)break;
TP[x1]--,TP[x2]--,TP[x3]--;
S += w[x3];
}
res = min(res,S);
}
int main(){
int i, j, k;
scanf("%d%d",&n,&K);
for(i=1;i<=n;i++){
scanf("%d",&w[i]);
S[i] = S[i-1] + w[i];
}
if(n<=K){
printf("%d\n",w[n]);
return 0;
}
if(K==2){
long long Sum;
Sum = S[n]-S[1] + 1ll*w[1]*(n-2);
res = Sum;
for(i=n-1;i>=3;i-=2){
Sum -= w[i]+w[i+1]+w[1]*2;
Sum += w[i+1]+w[2]+w[2]+w[1];
res = min(res,Sum);
}
printf("%lld\n",res);
return 0;
}
if(n>100)return 0;
int ret = (n-2)/2;
res = 1e18;
for(i=0;i<=ret;i++){
for(j=0;i+j<=ret;j++){
k=ret-i-j;
if(i<j||j<k)continue;
Do(i,j,k);
}
}
printf("%lld\n",res);
}*/
/*#include<stdio.h>
#include<algorithm>
using namespace std;
struct AA{
long long g, len;
};
char p[101000];
int Next[101000][3], Bef[101000][3];
long long po[1010000], Mod = 1000000007, ML = 1000000006;
AA Exp(int b, int e);
long long Pow(long long a, long long b){
long long r = 1;
while(b){
if(b%2)r=r*a%Mod;
b/=2;a=a*a%Mod;
}
return r;
}
AA Number(int b, int e, long long mod){
int i;
long long s = 0;
for(i=b;i<=e;i++){
s=(s*10+p[i]-'0')%mod;
}
AA ret;
ret.g = s, ret.len = e-b+1;
return ret;
}
AA ConCate(AA a, AA b){
AA ret;
ret.g = (a.g * Pow(10, b.len) + b.g)% Mod;
ret.len = (a.len + b.len) % ML;
return ret;
}
AA Get(int b, int e){ // (1 ~ p[b-e]) % Mod
AA ret;
ret.g=0,ret.len=0;
int i;
for(i=1;i<=e-b;i++){
AA tp = Make(i);
ret = ConCate(ret, tp);
}
return ret;
}
AA Repeat(int b, int e, AA a){
AA tp = Number(b, e, ML);
AA ret;
ret.len = tp.g * a.len % ML;
if(tp.g == 0)ret.g = 0;
else{
ret.g = (Pow(10, a.len * tp.g) + Mod - 1) * Pow(Pow(10, a.len) + Mod - 1, Mod - 2) % Mod;
}
return ret;
}
AA Term(int b, int e){
int pv;
if(Next[b][0] <= e){
pv = Next[b][0];
AA tp1 = Get(b, pv-1), tp2 = Get(pv+1, e);
long long L2 = (tp2.len - tp1.len + ML)%ML;
AA ret;
ret.g = (tp2.g - Pow(10, L2) * tp1.g % Mod + Mod)%Mod;
ret.len = L2;
return ret;
}
if(Next[b][2] <= e){
return Repeat(b, Next[b][2] - 1, Exp(Next[b][2] + 1, e - 1));
}
return Number(b, e, Mod);
}
AA Exp(int b, int e){
int pv = Bef[e][1];
if(b <= pv){
return ConCate(Exp(b,pv-1), Term(pv+1, e));
}
return Term(b, e);
}
int main(){
int i, n;
scanf("%s",p+1);
for(i=1;p[i];i++);
n = i-1;
for(i=1;i<=n;i++){
Bef[i][0] = Bef[i-1][0],Bef[i][1] = Bef[i-1][1],Bef[i][2] = Bef[i-1][2];
if(p[i]=='-')Bef[i][0] = i;
if(p[i]=='+')Bef[i][1] = i;
if(p[i]==')')Bef[i][2] = i;
}
for(i=0;i<3;i++)Next[n+1][i] = n+1;
for(i=n;i>=1;i--){
Next[i][0] = Next[i+1][0],Next[i][1] = Next[i+1][1], Next[i][2] = Next[i+1][2];
if(p[i]=='-')Next[i][0] = i;
if(p[i]=='+')Next[i][1] = i;
if(p[i]=='(')Next[i][2] = i;
}
po[0]=1;
for(i=1;i<=1000000;i++)po[i]=po[i-1]*10%Mod;
printf("%lld\n",Exp(1,n).g);
}
*/
#include<cstdio>
#include<cstdlib>
#include<algorithm>
#define MAXK 25
using namespace std;
int getColour (int num) {
srand(num);
return rand() % 3;
}
int notColour (int c1, int c2) {
return 3 - c1 - c2;
}
int main () {
printf("\n");
int N, M, K;
scanf("%d %d %d",&N,&M,&K);
int i, j;
static int a[MAXK];
for (j = 0; j < M; j++) {
for (i = 0; i < 2*K+1; i++) {
scanf("%d",&a[i]);
}
int c = getColour(a[K]);
int l = 1;
while (l <= K) {
if (getColour(a[K-l]) != c) {
break;
}
l++;
}
if (l > K) {
while (1) {
}
}
int r = 1;
while (r <= K) {
if (getColour(a[K+r]) != c) {
break;
}
r++;
}
if (r > K) {
while (1) {
}
}
int res;
if (l) {
res = c;
} else {
res = notColour(c, getColour(a[K+r]));
}
if (res == 0) {
printf("A\n");
} else if (res == 1) {
printf("B\n");
} else {
printf("C\n");
}
}
return 0;
}

Test details

Test 1

Group: 1

Verdict: UNKNOWN

input
#!/bin/bash
set -e
OFFSET=$(grep -onam1 '^__DATA_...

correct output
50

user output
(not available)

Test 2

Group: 2

Verdict: UNKNOWN

input
#!/bin/bash
set -e
OFFSET=$(grep -onam1 '^__DATA_...

correct output
50

user output
(not available)

Test 3

Group: 3

Verdict: UNKNOWN

input
#!/bin/bash
set -e
OFFSET=$(grep -onam1 '^__DATA_...

correct output
50

user output
(not available)