1. cpp
#include <iostream.h>
int main()
{
int n,i;
long s,a[4];
while(cin>>n)
{
if(n==0) return 0;
cin>>a[0];
s=a[0];
for(i=1;i<n;i++)
{
cin>>a[i];
if(s<a[i])
s=a[i];
}
cout<<s<<endl;
}
}
a. cpp
#include <iostream.h>
#include <string.h>
int fun(char *a,char *b)
{
int i;
if(strlen(a)>strlen(b))
return 1;
else if(strlen(a)<strlen(b))
return 0;
else
{
for(i=0;i<strlen(a);i++)
{
if(a[i]>b[i])
return 1;
else if(a[i]<b[i])
return 0;
}
}
}
int main()
{
int n,i;
char a[100][100],b[100];
while(cin>>n)
{
if(n==0) return 0;
for(i=0;i<n;i++)
cin>>a[i];
strcpy(b,a[0]);
for(i=1;i<n;i++)
{
if(fun(a[i],b))
strcpy(b,a[i]);
}
cout<<b<<endl;
}
}
b. cpp
#include <iostream.h>
int c[10][10];
int m,n;
int sum=10000;
int fun(int a,int b,int k)
{
if(a==n && b==m)
{
k+=c[a-1][b-1];
if(k>0 && k<sum)
{
//cout<<sum<<endl;
sum=k;
}
return 0;
}
if(a==n && b!=m)
{
k=k+c[a-1][b-1];
fun(a,b+1,k);
}
else if(a!=n && b==m)
{
k=k+c[a-1][b-1];
fun(a+1,b,k);
}
else
{
k=k+c[a-1][b-1];
fun(a+1,b,k);
fun(a,b+1,k);
}
}
int main()
{
int i,j;
while(cin>>n>>m)
{
sum=10000;
for(i=0;i<n;i++)
for(j=0;j<m;j++)
cin>>c[i][j];
fun(1,1,0);
if(sum==0 || sum==10000)
cout<<"-1\n";
else
cout<<sum<<endl;
}
}
c. cpp
#include <iostream.h>
#include <string.h>
int main()
{
char a[101],b[101];
long n,j;
int i,k,flag;
while(cin>>n)
{
for(i=0;i<101;i++)
{
a[i]='0';
}
for(j=0;j<n;j++)
{
strcpy(b,"0");
cin>>b;
flag=0;
for(i=0;i<strlen(b);i++)
{
k=a[100-i]-'0'+b[strlen(b)-i-1]-'0';
if(k>9)
{
a[99-i]+=1;
a[100-i]=k-10+'0';
}
else
{
a[100-i]=k+'0';
}
}
}
flag=0;
for(i=0;i<101;i++)
{
if(flag==0 && a[i]!='0')
flag=1;
if(flag==1)
cout<<a[i];
}
if(flag==0)
cout<<"0";
cout<<endl;
}
}
d. cpp
#include <iostream.h>
int a[1230]={2,3,5,7,11,13,17,19,23,
29,31,37,41,43,47,53,59,61,67,
71,73,79,83,89,97,101,103,107,109,
113,127,131,137,139,149,151,157,163,167,
173,179,181,191,193,197,199,211,223,227,
229,233,239,241,251,257,263,269,271,277,
281,283,293,307,311,313,317,331,337,347,
349,353,359,367,373,379,383,389,397,401,
409,419,421,431,433,439,443,449,457,461,
463,467,479,487,491,499,503,509,521,523,
541,547,557,563,569,571,577,587,593,599,
601,607,613,617,619,631,641,643,647,653,
659,661,673,677,683,691,701,709,719,727,
733,739,743,751,757,761,769,773,787,797,
809,811,821,823,827,829,839,853,857,859,
863,877,881,883,887,907,911,919,929,937,
941,947,953,967,971,977,983,991,997,1009,
1013,1019,1021,1031,1033,1039,1049,1051,1061,1063,
1069,1087,1091,1093,1097,1103,1109,1117,1123,1129,
1151,1153,1163,1171,1181,1187,1193,1201,1213,1217,
1223,1229,1231,1237,1249,1259,1277,1279,1283,1289,
1291,1297,1301,1303,1307,1319,1321,1327,1361,1367,
1373,1381,1399,1409,1423,1427,1429,1433,1439,1447,
1451,1453,1459,1471,1481,1483,1487,1489,1493,1499,
1511,1523,1531,1543,1549,1553,1559,1567,1571,1579,
1583,1597,1601,1607,1609,1613,1619,1621,1627,1637,
1657,1663,1667,1669,1693,1697,1699,1709,1721,1723,
1733,1741,1747,1753,1759,1777,1783,1787,1789,1801,
1811,1823,1831,1847,1861,1867,1871,1873,1877,1879,
1889,1901,1907,1913,1931,1933,1949,1951,1973,1979,
1987,1993,1997,1999,2003,2011,2017,2027,2029,2039,
2053,2063,2069,2081,2083,2087,2089,2099,2111,2113,
2129,2131,2137,2141,2143,2153,2161,2179,2203,2207,
2213,2221,2237,2239,2243,2251,2267,2269,2273,2281,
2287,2293,2297,2309,2311,2333,2339,2341,2347,2351,
2357,2371,2377,2381,2383,2389,2393,2399,2411,2417,
2423,2437,2441,2447,2459,2467,2473,2477,2503,2521,
2531,2539,2543,2549,2551,2557,2579,2591,2593,2609,
2617,2621,2633,2647,2657,2659,2663,2671,2677,2683,
2687,2689,2693,2699,2707,2711,2713,2719,2729,2731,
2741,2749,2753,2767,2777,2789,2791,2797,2801,2803,
2819,2833,2837,2843,2851,2857,2861,2879,2887,2897,
2903,2909,2917,2927,2939,2953,2957,2963,2969,2971,
2999,3001,3011,3019,3023,3037,3041,3049,3061,3067,
3079,3083,3089,3109,3119,3121,3137,3163,3167,3169,
3181,3187,3191,3203,3209,3217,3221,3229,3251,3253,
3257,3259,3271,3299,3301,3307,3313,3319,3323,3329,
3331,3343,3347,3359,3361,3371,3373,3389,3391,3407,
3413,3433,3449,3457,3461,3463,3467,3469,3491,3499,
3511,3517,3527,3529,3533,3539,3541,3547,3557,3559,
3571,3581,3583,3593,3607,3613,3617,3623,3631,3637,
3643,3659,3671,3673,3677,3691,3697,3701,3709,3719,
3727,3733,3739,3761,3767,3769,3779,3793,3797,3803,
3821,3823,3833,3847,3851,3853,3863,3877,3881,3889,
3907,3911,3917,3919,3923,3929,3931,3943,3947,3967,
3989,4001,4003,4007,4013,4019,4021,4027,4049,4051,
4057,4073,4079,4091,4093,4099,4111,4127,4129,4133,
4139,4153,4157,4159,4177,4201,4211,4217,4219,4229,
4231,4241,4243,4253,4259,4261,4271,4273,4283,4289,
4297,4327,4337,4339,4349,4357,4363,4373,4391,4397,
4409,4421,4423,4441,4447,4451,4457,4463,4481,4483,
4493,4507,4513,4517,4519,4523,4547,4549,4561,4567,
4583,4591,4597,4603,4621,4637,4639,4643,4649,4651,
4657,4663,4673,4679,4691,4703,4721,4723,4729,4733,
4751,4759,4783,4787,4789,4793,4799,4801,4813,4817,
4831,4861,4871,4877,4889,4903,4909,4919,4931,4933,
4937,4943,4951,4957,4967,4969,4973,4987,4993,4999,
5003,5009,5011,5021,5023,5039,5051,5059,5077,5081,
5087,5099,5101,5107,5113,5119,5147,5153,5167,5171,
5179,5189,5197,5209,5227,5231,5233,5237,5261,5273,
5279,5281,5297,5303,5309,5323,5333,5347,5351,5381,
5387,5393,5399,5407,5413,5417,5419,5431,5437,5441,
5443,5449,5471,5477,5479,5483,5501,5503,5507,5519,
5521,5527,5531,5557,5563,5569,5573,5581,5591,5623,
5639,5641,5647,5651,5653,5657,5659,5669,5683,5689,
5693,5701,5711,5717,5737,5741,5743,5749,5779,5783,
5791,5801,5807,5813,5821,5827,5839,5843,5849,5851,
5857,5861,5867,5869,5879,5881,5897,5903,5923,5927,
5939,5953,5981,5987,6007,6011,6029,6037,6043,6047,
6053,6067,6073,6079,6089,6091,6101,6113,6121,6131,
6133,6143,6151,6163,6173,6197,6199,6203,6211,6217,
6221,6229,6247,6257,6263,6269,6271,6277,6287,6299,
6301,6311,6317,6323,6329,6337,6343,6353,6359,6361,
6367,6373,6379,6389,6397,6421,6427,6449,6451,6469,
6473,6481,6491,6521,6529,6547,6551,6553,6563,6569,
6571,6577,6581,6599,6607,6619,6637,6653,6659,6661,
6673,6679,6689,6691,6701,6703,6709,6719,6733,6737,
6761,6763,6779,6781,6791,6793,6803,6823,6827,6829,
6833,6841,6857,6863,6869,6871,6883,6899,6907,6911,
6917,6947,6949,6959,6961,6967,6971,6977,6983,6991,
6997,7001,7013,7019,7027,7039,7043,7057,7069,7079,
7103,7109,7121,7127,7129,7151,7159,7177,7187,7193,
7207,7211,7213,7219,7229,7237,7243,7247,7253,7283,
7297,7307,7309,7321,7331,7333,7349,7351,7369,7393,
7411,7417,7433,7451,7457,7459,7477,7481,7487,7489,
7499,7507,7517,7523,7529,7537,7541,7547,7549,7559,
7561,7573,7577,7583,7589,7591,7603,7607,7621,7639,
7643,7649,7669,7673,7681,7687,7691,7699,7703,7717,
7723,7727,7741,7753,7757,7759,7789,7793,7817,7823,
7829,7841,7853,7867,7873,7877,7879,7883,7901,7907,
7919,7927,7933,7937,7949,7951,7963,7993,8009,8011,
8017,8039,8053,8059,8069,8081,8087,8089,8093,8101,
8111,8117,8123,8147,8161,8167,8171,8179,8191,8209,
8219,8221,8231,8233,8237,8243,8263,8269,8273,8287,
8291,8293,8297,8311,8317,8329,8353,8363,8369,8377,
8387,8389,8419,8423,8429,8431,8443,8447,8461,8467,
8501,8513,8521,8527,8537,8539,8543,8563,8573,8581,
8597,8599,8609,8623,8627,8629,8641,8647,8663,8669,
8677,8681,8689,8693,8699,8707,8713,8719,8731,8737,
8741,8747,8753,8761,8779,8783,8803,8807,8819,8821,
8831,8837,8839,8849,8861,8863,8867,8887,8893,8923,
8929,8933,8941,8951,8963,8969,8971,8999,9001,9007,
9011,9013,9029,9041,9043,9049,9059,9067,9091,9103,
9109,9127,9133,9137,9151,9157,9161,9173,9181,9187,
9199,9203,9209,9221,9227,9239,9241,9257,9277,9281,
9283,9293,9311,9319,9323,9337,9341,9343,9349,9371,
9377,9391,9397,9403,9413,9419,9421,9431,9433,9437,
9439,9461,9463,9467,9473,9479,9491,9497,9511,9521,
9533,9539,9547,9551,9587,9601,9613,9619,9623,9629,
9631,9643,9649,9661,9677,9679,9689,9697,9719,9721,
9733,9739,9743,9749,9767,9769,9781,9787,9791,9803,
9811,9817,9829,9833,9839,9851,9857,9859,9871,9883,
9887,9901,9907,9923,9929,9931,9941,9949,9967,9973};
int fun(int m,int n)
{
int sum=0;
int i;
for(i=0;i<n;i++)
sum+=a[i+m];
return sum;
}
int main()
{
int n,s,i,j,sum;
while(cin>>n)
{
s=0;
if(n==0)
return 0;
for(i=0;a[i]<=n;i++)
{
j=0;
while(1)
{
if(fun(i,j)==n)
{
s++;
//cout<<a[i]<<" ";
break;
}
if(fun(i,j)>n)
{
//cout<<"laal"<<a[i]<<" "<<j;
break;
}
j++;
}
/*j=i;
while(1)
{
sum+=a[j];
if(sum==n)
{
s++;
break;
}
if(sum>n)
break;
j++;
}*/
}
cout<<s<<endl;
}
}
e. cpp
#include <iostream.h>
int main()
{
int i,j,n,m;
int flag,sum,sum2;
cin>>n;
for(j=0;j<n;j++)
{
flag=0,sum=0,sum2=0;
for(i=0;i<12;i++)
{
cin>>m;
if(flag==0 && sum+300<m)
{
flag=i+1;
}
sum+=300-m;
while(sum>100)
{
sum2+=100;
sum-=100;
}
}
if(flag!=0)
cout<<"-"<<flag<<endl;
else
cout<<(int)(sum2*1.2)+sum<<endl;
}
}
f. cpp
#include <iostream.h>
#include <stdlib.h>
int comp(const void* a,const void *b)
{
long *x=(long*)a;
long *y=(long*)b;
return *x-*y; //如果a>b返回正数,如果a<b,返回负数,相等返回0;
}
int main()
{
int t,i,j,n;
long a[1000];
cin>>t;
for(j=0;j<t;j++)
{
cin>>n;
for(i=0;i<n;i++)
cin>>a[i];
qsort(a,n,sizeof(long),comp); //从大到小排序
for(i=0;i<n;i++)
cout<<a[i]<<endl;
}
}
g. cpp
#include <iostream.h>
int fun(int h,int m,int s)
{
if(h>=12)
h-=12;
int sum=0;
float h1,m1;
m1=m+(float)s/60.0;
h1=(float)m1/60.0+h;
if(h1*6-m1<=0.000001)
{
sum=(int)(m1*6)-(int)(h1*30);
}
else
{
sum=360+(int)(m1*6)-(int)(h1*30);
}
if(sum==360)
sum=0;
return sum;
}
int main()
{
char a1[10];
int h,s,m,A;
//cout<<fun(13,59,51)<<endl;
//cout<<fun(14,0,0)<<endl;
while(1)
{
cin>>A;
cin>>a1;
if(A==-1) return 0;
h=(a1[0]-'0')*10+a1[1]-'0';
m=(a1[3]-'0')*10+a1[4]-'0';
s=(a1[6]-'0')*10+a1[7]-'0';
//cout<<h<<m<<s<<endl;
//cout<<fun(h,m,s)<<endl;
while(1)
{
if(fun(h,m,s)==A)
break;
s++;
if(s>=60)
{
s=0;
m++;
}
if(m>=60)
{
m=0;
h++;
}
if(h>=24)
h=0;
}
//cout<<h<<m<<s<<endl;
if(h<10)
cout<<"0";
cout<<h;
cout<<":";
if(m<10)
cout<<"0";
cout<<m;
cout<<":";
if(s<10)
cout<<"0";
cout<<s<<endl;
/*for(i=0;i<60;i++)
if(fun(h1,i,0)>A)
break;
for(j=0;j<60;j++)
if(fun(h1,i-1,j)==A)
break;
cout<<h1<<":"<<i<<":"<<j<<endl;
*/
}
}
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