前言

新年新氣象，我們又一度迎來新一年的模擬賽(誰想迎來)
總之，有來到了熟悉的地方——紀中。

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成績

$Rank$是有算別人的

$Rank$$Person$$Score$$A$$B$$C$$D$

$2$	$2017myself$	$300$	$100$	$100$	$100$	$0$
$4$	$2017zyc$	$270$	$100$	$100$	$70$	$0$
$5$	$2017xxy$	$260$	$100$	$100$	$55$	$5$
$6$	$2017xjq$	$240$	$100$	$100$	$40$	$0$
$8$	$2017lrz$	$205$	$100$	$100$	$5$	$0$
$10$	$2017hzb$	$200$	$100$	$100$	$0$	$0$
$19$	$2017hjq$	$160$	$100$	$60$	$0$	$0$
$31$	$2017lw$	$100$	$100$	$0$	$0$	$0$

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正題

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$T1:P1313,jzoj3027?$計算系數【組合數,二項式定理】

之前做過，就直接放了
博客鏈接:
https://blog.csdn.net/Mr_wuyongcong/article/details/82502479

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$T2:P1311,jzoj3025?$選擇客棧【統計】

博客鏈接:
https://blog.csdn.net/Mr_wuyongcong/article/details/86540567

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$T3:P1314,jzoj3028?$聰明的質監員【二分答案$,$前綴和】

博客鏈接:
https://blog.csdn.net/Mr_wuyongcong/article/details/86540688

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$T4:P1315,jzoj3029?$觀光公交【費用流】

博客鏈接:
https://blog.csdn.net/Mr_wuyongcong/article/details/86541082

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$someofcode$

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T2 隨機數據

#include<cstdio> #include<cstdlib> #include<ctime> #define random(x) rand()%x using namespace std; int main() {srand(time(0));//freopen("data.in","w",stdout);printf("10 3 %d\n",random(10));for(int i=1;i<=10;i++)printf("%d %d\n",random(3),random(10)); }

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T2 60分暴力

#include<cstdio> #include<cctype> #define ll long long using namespace std; int read() {int x=0,f=1; char c=getchar();while(!isdigit(c)) {if(c=='-')f=-f;c=getchar();}while(isdigit(c)) x=(x<<1)+(x<<3)+c-48,c=getchar();return x*f; } void print(int x){if (x>9) print(x/10); putchar(x%10+48); return; } ll n,k,p,color[5000],cost[5000],ans; int main() {freopen("data.in","r",stdin);freopen("data.ans","w",stdout);n=read();k=read();p=read();for(ll i=1;i<=n;i++){color[i]=read();cost[i]=read();}for(int i=1;i<=n;i++)for(int j=i+1;j<=n;j++){if(color[i]==color[j]){for(int k=i;k<=j;k++)if(cost[k]<=p){ans++;break;}}}print(ans); }

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T2 對拍

#include<windows.h> #include<cstdio> using namespace std; int main() {while(1){system("data.exe");system("BL.exe");system("T2.exe");if(!system("fc data.ans data.out"))printf("AC\n");else{printf("WA\n");break;}} }

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尾聲

猩新年快樂

總結

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